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pj-nodegit

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Node.js libgit2 asynchronous native bindings

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      * Copyright (c) 2015 Patrick Monnerat, D+H <patrick.monnerat@dh.com>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms,
      * with or without modification, are permitted provided
      * that the following conditions are met:
      *
      *   Redistributions of source code must retain the above
      *   copyright notice, this list of conditions and the
      *   following disclaimer.
      *
      *   Redistributions in binary form must reproduce the above
      *   copyright notice, this list of conditions and the following
      *   disclaimer in the documentation and/or other materials
      *   provided with the distribution.
      *
      *   Neither the name of the copyright holder nor the names
      *   of any other contributors may be used to endorse or
      *   promote products derived from this software without
      *   specific prior written permission.
      *
      * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
      * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
      * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
      * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
      * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
      * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
      * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
      * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
      * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
      * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
      * OF SUCH DAMAGE.

      /if not defined(LIBSSH2_H_)
      /define LIBSSH2_H_

     d LIBSSH2_COPYRIGHT...
     d                 c                   '2004-2015 The libssh2 project and +
     d                                     its contributors.'

      * We use underscore instead of dash when appending DEV in dev versions
      * just to make the BANNER define (used by src/session.c) be a valid SSH
      * banner. Release versions have no appended strings and may of course not
      * have dashes either.
     d LIBSSH2_VERSION...
     d                 c                   '@LIBSSH2_VERSION@'

      * The numeric version number is also available "in parts" by using these
      * defines:
     d LIBSSH2_VERSION_MAJOR...
     d                 c                   @LIBSSH2_VERSION_MAJOR@
     d LIBSSH2_VERSION_MINOR...
     d                 c                   @LIBSSH2_VERSION_MINOR@
     d LIBSSH2_VERSION_PATCH...
     d                 c                   @LIBSSH2_VERSION_PATCH@

      * This is the numeric version of the libssh2 version number, meant for
      * easier parsing and comparions by programs. The LIBSSH2_VERSION_NUM
      * define will always follow this syntax:
      *
      *  X'XXYYZZ'
      *
      * Where XX, YY and ZZ are the main version, release and patch numbers in
      * hexadecimal (using 8 bits each). All three numbers are always
      * represented using two digits.  1.2 would appear as "0x010200" while
      * version 9.11.7 appears as X'090b07'.
      *
      * This 6-digit (24 bits) hexadecimal number does not show pre-release
      * number, and it is always a greater number in a more recent release. It
      * makes comparisons with greater than and less than work.

     d LIBSSH2_VERSION_NUM...
     d                 c                   X'@LIBSSH2_VERSION_NUM@'

      * This is the date and time when the full source package was created. The
      * timestamp is not stored in the source code repo, as the timestamp is
      * properly set in the tarballs by the maketgz script.
      *
      * The format of the date should follow this template:
      *
      * "Mon Feb 12 11:35:33 UTC 2007"

     d LIBSSH2_TIMESTAMP...
     d                 c                   '@LIBSSH2_TIMESTAMP@'

     d libssh2_Cchar   s              3i 0 based(######typedef######)
     d libssh2_Cuchar  s              3u 0 based(######typedef######)
     d libssh2_Cshort  s              5i 0 based(######typedef######)
     d libssh2_Cushort...
     d                 s              5u 0 based(######typedef######)
     d libssh2_Cint    s             10i 0 based(######typedef######)
     d libssh2_CuInt   s             10u 0 based(######typedef######)
     d libssh2_Clong   s             10i 0 based(######typedef######)
     d libssh2_Culong  s             10u 0 based(######typedef######)
     d libssh2_Clonglong...
     d                 s             20i 0 based(######typedef######)
     d libssh2_Culonglong...
     d                 s             20u 0 based(######typedef######)
     d libssh2_Cenum   s             10i 0 based(######typedef######)
     d libssh2_Cssize_t...
     d                 s             10i 0 based(######typedef######)
     d libssh2_Csize_t...
     d                 s             10u 0 based(######typedef######)
     d libssh2_Cfloat  s              4f   based(######typedef######)
     d libssh2_Cdouble...
     d                 s              8f   based(######typedef######)

     d libssh2_uint8_t...
     d                 s              3u 0 based(######typedef######)
     d libssh2_uint32_t...
     d                 s             10u 0 based(######typedef######)
     d libssh2_uint64_t...
     d                 s             20u 0 based(######typedef######)
     d libssh2_int64_t...
     d                 s             20i 0 based(######typedef######)

     d libssh2_socket_t...
     d                 s             10i 0 based(######typedef######)
     d LIBSSH2_INVALID_SOCKET...
     d                 c                   -1

     d libssh2_mode_t  s             10u 0 based(######typedef######)
     d libssh2_ino_t   s             10u 0 based(######typedef######)
     d libssh2_uid_t   s             10u 0 based(######typedef######)
     d libssh2_gid_t   s             10u 0 based(######typedef######)
     d libssh2_dev_t   s             10u 0 based(######typedef######)
     d libssh2_off_t   s             20i 0 based(######typedef######)           Use *IFS64IO
     d libssh2_time_t  s             10i 0 based(######typedef######)
     d libssh2_nlink_t...
     d                 s              5u 0 based(######typedef######)
     d libssh2_qp0l_objtype_t...                                                AS400 object type
     d                 s             11

     d libssh2_struct_stat_size...
     d                 s                   based(######typedef######)
     d                                     like(libssh2_off_t)

     d libssh2_struct_stat...
     d                 ds                  based(######typedef######)
     d                                     align qualified
     d  st_mode                            like(libssh2_mode_t)                 Mode flags
     d  st_ino                             like(libssh2_ino_t)                  File serial number
     d  st_nlink                           like(libssh2_nlink_t)                Number of links
     d  st_uid                             like(libssh2_uid_t)                  Owner ID
     d  st_gid                             like(libssh2_gid_t)                  Group ID
     d  st_size                            like(libssh2_off_t)                  File size
     d  st_atime                           like(libssh2_time_t)                 Last access time
     d  st_mtime                           like(libssh2_time_t)                 Last update time
     d  st_ctime                           like(libssh2_time_t)                 Creation time
     d  st_dev                             like(libssh2_dev_t)                  File root device
     d  st_blksize                         like(libssh2_Csize_t)                Block size
     d  st_allocsize                       like(libssh2_Culong)                 Allocation size
     d  st_objtype                         like(libssh2_qp0l_objtype_t)         AS400 object type
     d  st_codepage                        like(libssh2_Cushort)                Object data codepage
     d                               62                                         Reserved
     d  st_ino_gen_id                      like(libssh2_Cuint)                  File SN gen. ID

     d LIBSSH2_STRUCT_STAT_SIZE_FORMAT...
     d                 c                   '%lld'

      * Part of every banner, user specified or not.
     d LIBSSH2_SSH_BANNER...
     d                 c                   'SSH-2.0-libssh2_1.6.1_DEV'
     d LIBSSH2_SSH_DEFAULT_BANNER...
     d                 c                   'SSH-2.0-libssh2_1.6.1_DEV'

      * Default generate and safe prime sizes for
      * diffie-hellman-group-exchange-sha1.
     d LIBSSH2_DH_GEX_MINGROUP...
     d                 c                   1024
     d LIBSSH2_DH_GEX_OPTGROUP...
     d                 c                   1536
     d LIBSSH2_DH_GEX_MAXGROUP...
     d                 c                   2048

      * Defaults for pty requests.
     d LIBSSH2_TERM_WIDTH...
     d                 c                   80
     d LIBSSH2_TERM_HEIGHT...
     d                 c                   24
     d LIBSSH2_TERM_WIDTH_PX...
     d                 c                   0
     d LIBSSH2_TERM_HEIGHT_PX...
     d                 c                   0

      * 1/4 second.
     d LIBSSH2_SOCKET_POLL_UDELAY...
     d                 c                   250000
      * 0.25 * 120 == 30 seconds.
     d LIBSSH2_SOCKET_POLL_MAXLOOPS...
     d                 c                   120

      * Maximum size to allow a payload to compress to, plays it safe by
      * falling short of spec limits.
     d LIBSSH2_PACKET_MAXCOMP...
     d                 c                   32000

      * Maximum size to allow a payload to deccompress to, plays it safe by
      * allowing more than spec requires.
     d LIBSSH2_PACKET_MAXDECOMP...
     d                 c                   40000

      * Maximum size for an inbound compressed payload, plays it safe by
      * overshooting spec limits.
     d LIBSSH2_PACKET_MAXPAYLOAD...
     d                 c                   40000

     d LIBSSH2_USERAUTH_KBDINT_PROMPT...
     d                 ds                  based(######typedef######)
     d                                     align qualified
     d  text                           *                                        char *
     d  length                             like(libssh2_Cuint)
     d  echo                               like(libssh2_Cuchar)

     d LIBSSH2_USERAUTH_KBDINT_RESPONSE...
     d                 ds                  based(######typedef######)
     d                                     align qualified
     d  text                           *                                        char *
     d  length                             like(libssh2_Cuint)

      * libssh2_session_callback_set() constants.
     d LIBSSH2_CALLBACK_IGNORE...
     d                 c                   0
     d LIBSSH2_CALLBACK_DEBUG...
     d                 c                   1
     d LIBSSH2_CALLBACK_DISCONNECT...
     d                 c                   2
     d LIBSSH2_CALLBACK_MACERROR...
     d                 c                   3
     d LIBSSH2_CALLBACK_X11...
     d                 c                   4
     d LIBSSH2_CALLBACK_SEND...
     d                 c                   5
     d LIBSSH2_CALLBACK_RECV...
     d                 c                   6

      * libssh2_session_method_pref() constants.
     d LIBSSH2_METHOD_KEX...
     d                 c                   0
     d LIBSSH2_METHOD_HOSTKEY...
     d                 c                   1
     d LIBSSH2_METHOD_CRYPT_CS...
     d                 c                   2
     d LIBSSH2_METHOD_CRYPT_SC...
     d                 c                   3
     d LIBSSH2_METHOD_MAC_CS...
     d                 c                   4
     d LIBSSH2_METHOD_MAC_SC...
     d                 c                   5
     d LIBSSH2_METHOD_COMP_CS...
     d                 c                   6
     d LIBSSH2_METHOD_COMP_SC...
     d                 c                   7
     d LIBSSH2_METHOD_LANG_CS...
     d                 c                   8
     d LIBSSH2_METHOD_LANG_SC...
     d                 c                   9

      * flags.
     d LIBSSH2_FLAG_SIGPIPE...
     d                 c                   X'0001'
     d LIBSSH2_FLAG_COMPRESS...
     d                 c                   X'0002'

     d LIBSSH2_POLLFD  ds                  based(######typedef######)
     d                                     align qualified
     d  type                               like(libssh2_Cuchar)
     d  fd                             *                                        Union
     d   socket                            overlay(fd) like(libssh2_socket_t)
     d   channel                       *   overlay(fd)                          LIBSSH2_CHANNEL *
     d   listener                      *   overlay(fd)                          LIBSSH2_LISTENER *
     d  events                             like(libssh2_Culong)
     d  revents                            like(libssh2_Culong)

      * Poll FD Descriptor Types.
     d LIBSSH2_POLLFD_SOCKET...
     d                 c                   1
     d LIBSSH2_POLLFD_CHANNEL...
     d                 c                   2
     d LIBSSH2_POLLFD_LISTENER...
     d                 c                   3

      * Poll FD events/revents -- Match sys/poll.h where possible.
     d LIBSSH2_POLLFD_POLLIN...                                                 Input data ready or
     d                 c                   X'0001'                              connection available
     d LIBSSH2_POLLFD_POLLPRI...                                                Prio data ready to
     d                 c                   X'0002'                              be read. Socket only
     d LIBSSH2_POLLFD_POLLEXT...                                                Ext data ready to be
     d                 c                   X'0002'                              read. Channel only
     d LIBSSH2_POLLFD_POLLOUT...                                                Can may be written:
     d                 c                   X'0004'                              Socket/Channel

      * revents only.
     d LIBSSH2_POLLFD_POLLERR...                                                Error Condition:
     d                 c                   X'0008'                              Socket
     d LIBSSH2_POLLFD_POLLHUP...                                                HangUp/EOF
     d                 c                   X'0010'                              Socket
     d LIBSSH2_POLLFD_SESSION_CLOSED...                                         Session Disconnect
     d                 c                   X'0010'
     d LIBSSH2_POLLFD_POLLNVAL...                                               Invalid request
     d                 c                   X'0020'                              Socket
     d LIBSSH2_POLLFD_POLLEX...                                                 Exception Condition
     d                 c                   X'0040'                              Socket/Win32
     d LIBSSH2_POLLFD_CHANNEL_CLOSED...                                         Channel Disconnect
     d                 c                   X'0080'
     d LIBSSH2_POLLFD_LISTENER_CLOSED...                                        Listener Disconnect
     d                 c                   X'0080'

      /define HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION
      * Block Direction Types.
     d LIBSSH2_SESSION_BLOCK_INBOUND...
     d                 c                   X'0001'
     d LIBSSH2_SESSION_BLOCK_OUTBOUND...
     d                 c                   X'0002'

      * Hash Types.
     d LIBSSH2_HOSTKEY_HASH_MD5...
     d                 c                   1
     d LIBSSH2_HOSTKEY_HASH_SHA1...
     d                 c                   2

      * Hostkey Types.
     d LIBSSH2_HOSTKEY_TYPE_UNKNOWN...
     d                 c                   0
     d LIBSSH2_HOSTKEY_TYPE_RSA...
     d                 c                   1
     d LIBSSH2_HOSTKEY_TYPE_DSS...
     d                 c                   2

      * Disconnect Codes (defined by SSH protocol).
     d SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT...
     d                 c                   1
     d SSH_DISCONNECT_PROTOCOL_ERROR...
     d                 c                   2
     d SSH_DISCONNECT_KEY_EXCHANGE_FAILED...
     d                 c                   3
     d SSH_DISCONNECT_RESERVED...
     d                 c                   4
     d SSH_DISCONNECT_MAC_ERROR...
     d                 c                   5
     d SSH_DISCONNECT_COMPRESSION_ERROR...
     d                 c                   6
     d SSH_DISCONNECT_SERVICE_NOT_AVAILABLE...
     d                 c                   7
     d SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED...
     d                 c                   8
     d SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE...
     d                 c                   9
     d SSH_DISCONNECT_CONNECTION_LOST...
     d                 c                   10
     d SSH_DISCONNECT_BY_APPLICATION...
     d                 c                   11
     d SSH_DISCONNECT_TOO_MANY_CONNECTIONS...
     d                 c                   12
     d SSH_DISCONNECT_AUTH_CANCELLED_BY_USER...
     d                 c                   13
     d SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE...
     d                 c                   14
     d SSH_DISCONNECT_ILLEGAL_USER_NAME...
     d                 c                   15

      * Error Codes (defined by libssh2).
     d LIBSSH2_ERROR_NONE...
     d                 c                   0

      * The library once used -1 as a generic error return value on numerous
      * places through the code, which subsequently was converted to
      * LIBSSH2_ERROR_SOCKET_NONE uses over time. As this is a generic error
      * code, the goal is to never ever return this code but instead make sure
      * that a more accurate and descriptive error code is used.
     d  LIBSSH2_ERROR_SOCKET_NONE...
     d                 c                   -1

     d LIBSSH2_ERROR_BANNER_RECV...
     d                 c                   -2
     d LIBSSH2_ERROR_BANNER_SEND...
     d                 c                   -3
     d LIBSSH2_ERROR_INVALID_MAC...
     d                 c                   -4
     d LIBSSH2_ERROR_KEX_FAILURE...
     d                 c                   -5
     d LIBSSH2_ERROR_ALLOC...
     d                 c                   -6
     d LIBSSH2_ERROR_SOCKET_SEND...
     d                 c                   -7
     d LIBSSH2_ERROR_KEY_EXCHANGE_FAILURE...
     d                 c                   -8
     d LIBSSH2_ERROR_TIMEOUT...
     d                 c                   -9
     d LIBSSH2_ERROR_HOSTKEY_INIT...
     d                 c                   -10
     d LIBSSH2_ERROR_HOSTKEY_SIGN...
     d                 c                   -11
     d LIBSSH2_ERROR_DECRYPT...
     d                 c                   -12
     d LIBSSH2_ERROR_SOCKET_DISCONNECT...
     d                 c                   -13
     d LIBSSH2_ERROR_PROTO...
     d                 c                   -14
     d LIBSSH2_ERROR_PASSWORD_EXPIRED...
     d                 c                   -15
     d LIBSSH2_ERROR_FILE...
     d                 c                   -16
     d LIBSSH2_ERROR_METHOD_NONE...
     d                 c                   -17
     d LIBSSH2_ERROR_AUTHENTICATION_FAILED...
     d                 c                   -18
     d LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED...
     d                 c                   -18
     d LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED...
     d                 c                   -19
     d LIBSSH2_ERROR_CHANNEL_OUTOFORDER...
     d                 c                   -20
     d LIBSSH2_ERROR_CHANNEL_FAILURE...
     d                 c                   -21
     d LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED...
     d                 c                   -22
     d LIBSSH2_ERROR_CHANNEL_UNKNOWN...
     d                 c                   -23
     d LIBSSH2_ERROR_CHANNEL_WINDOW_EXCEEDED...
     d                 c                   -24
     d LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED...
     d                 c                   -25
     d LIBSSH2_ERROR_CHANNEL_CLOSED...
     d                 c                   -26
     d LIBSSH2_ERROR_CHANNEL_EOF_SENT...
     d                 c                   -27
     d LIBSSH2_ERROR_SCP_PROTOCOL...
     d                 c                   -28
     d LIBSSH2_ERROR_ZLIB...
     d                 c                   -29
     d LIBSSH2_ERROR_SOCKET_TIMEOUT...
     d                 c                   -30
     d LIBSSH2_ERROR_SFTP_PROTOCOL...
     d                 c                   -31
     d LIBSSH2_ERROR_REQUEST_DENIED...
     d                 c                   -32
     d LIBSSH2_ERROR_METHOD_NOT_SUPPORTED...
     d                 c                   -33
     d LIBSSH2_ERROR_INVAL...
     d                 c                   -34
     d LIBSSH2_ERROR_INVALID_POLL_TYPE...
     d                 c                   -35
     d LIBSSH2_ERROR_PUBLICKEY_PROTOCOL...
     d                 c                   -36
     d LIBSSH2_ERROR_EAGAIN...
     d                 c                   -37
     d LIBSSH2_ERROR_BUFFER_TOO_SMALL...
     d                 c                   -38
     d LIBSSH2_ERROR_BAD_USE...
     d                 c                   -39
     d LIBSSH2_ERROR_COMPRESS...
     d                 c                   -40
     d LIBSSH2_ERROR_OUT_OF_BOUNDARY...
     d                 c                   -41
     d LIBSSH2_ERROR_AGENT_PROTOCOL...
     d                 c                   -42
     d LIBSSH2_ERROR_SOCKET_RECV...
     d                 c                   -43
     d LIBSSH2_ERROR_ENCRYPT...
     d                 c                   -44
     d LIBSSH2_ERROR_BAD_SOCKET...
     d                 c                   -45
     d LIBSSH2_ERROR_KNOWN_HOSTS...
     d                 c                   -46

      * this is a define to provide the old (<= 1.2.7) name.
     d LIBSSH2_ERROR_BANNER_NONE...
     d                 c                   -2

      * Global API.
     d LIBSSH2_INIT_NO_CRYPTO...
     d                 c                   X'0001'

      * libssh2_init()
      *
      * Initialize the libssh2 functions.  This typically initialize the
      * crypto library.  It uses a global state, and is not thread safe --
      * you must make sure this function is not called concurrently.
      *
      * Flags can be:
      * 0:                              Normal initialize
      * LIBSSH2_INIT_NO_CRYPTO:         Do not initialize the crypto library
      *                                 (ie. OPENSSL_add_cipher_algorithms() for
      *                                 OpenSSL)
      *
      * Returns 0 if succeeded, or a negative value for error.

     d libssh2_init    pr                  extproc('libssh2_init')
     d                                     like(libssh2_Cint)
     d  flags                              value like(libssh2_Cint)

      * libssh2_exit()
      *
      * Exit the libssh2 functions and free's all memory used internal.

     d libssh2_exit    pr                  extproc('libssh2_exit')

      * libssh2_free()
      *
      * Deallocate memory allocated by earlier call to libssh2 functions.

     d libssh2_free    pr                  extproc('libssh2_free')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  ptr                            *   value                                void *

      * libssh2_session_supported_algs()
      *
      * Fills algs with a list of supported cryptographic algorithms. Returns a
      * non-negative number (number of supported algorithms) on success or a
      * negative number (an eror code) on failure.
      *
      * NOTE: on success, algs must be deallocated (by calling libssh2_free)
      * when not needed anymore

     d libssh2_session_supported_algs...
     d                 pr                  extproc(
     d                                       'libssh2_session_supported_algs')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  method_type                        value like(libssh2_Cint)
     d  algs                           *                                        const char **(*)

      * Session API.
     d libssh2_session_init_ex...
     d                 pr              *   extproc('libssh2_session_init_ex')   LIBSSH2_SESSION *
     d  my_alloc                       *   value procptr
     d  my_free                        *   value procptr
     d  my_realloc                     *   value procptr
     d  abstract                       *   value                                void *

      * Implementation of C macro.
     d libssh2_session_init...
     d                 pr              *   extproc('libssh2_session_init')      LIBSSH2_SESSION *

     d libssh2_session_abstract...
     d                 pr              *   extproc('libssh2_session_abstract')  void * *
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_session_callback_set...
     d                 pr              *   extproc(                             void *
     d                                     'libssh2_session_callback_set')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  cbtype                             value like(libssh2_Cint)
     d  callback                       *   value                                void *

     d libssh2_session_banner_set...
     d                 pr                  extproc('libssh2_session_banner_set')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  banner                         *   value options(*string)               const char *

     d libssh2_banner_set...
     d                 pr                  extproc('libssh2_banner_set')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  banner                         *   value options(*string)               const char *

     d libssh2_session_startup...
     d                 pr                  extproc('libssh2_session_startup')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  sock                               value like(libssh2_Cint)

     d libssh2_session_handshake...
     d                 pr                  extproc('libssh2_session_handshake')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  sock                               value like(libssh2_socket_t)

     d libssh2_session_disconnect_ex...
     d                 pr                  extproc(
     d                                     'libssh2_session_disconnect_ex')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  reason                             value like(libssh2_Cint)
     d  description                    *   value options(*string)               const char *
     d  lang                           *   value options(*string)               const char *

      * Implementation of C macro.
     d libssh2_session_disconnect...
     d                 pr                  extproc('libssh2_session_disconnect')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  description                    *   value options(*string)               const char *

     d libssh2_session_free...
     d                 pr                  extproc('libssh2_session_free')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_hostkey_hash...
     d                 pr              *   extproc('libssh2_hostkey_hash')      const char *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  hash_type                          value like(libssh2_Cint)

     d libssh2_session_hostkey...
     d                 pr              *   extproc('libssh2_session_hostkey')   const char *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  len                                like(libssh2_Csize_t)
     d  type                               like(libssh2_Cint)

     d libssh2_session_method_pref...
     d                 pr                  extproc(
     d                                     'libssh2_session_method_pref')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  method_type                        value like(libssh2_Cint)
     d  prefs                          *   value options(*string)               const char *

     d libssh2_session_methods...
     d                 pr              *   extproc('libssh2_session_methods')   const char *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  method_type                        value like(libssh2_Cint)

     d libssh2_session_last_error...
     d                 pr                  extproc('libssh2_session_last_error')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  errmsg                         *                                        char *(*)
     d  errmsg_len                         like(libssh2_Cint)
     d  want_buf                           value like(libssh2_Cint)

     d libssh2_session_last_errno...
     d                 pr                  extproc('libssh2_session_last_errno')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_session_set_last_error...
     d                 pr                  extproc(
     d                                     'libssh2_session_set_last_error')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  errcode                            value like(libssh2_Cint)
     d  errmsg                         *   value options(*string)               const char *

     d libssh2_session_block_directions...
     d                 pr                  extproc(
     d                                     'libssh2_session_block_directions')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_session_flag...
     d                 pr                  extproc('libssh2_session_flag')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  flag                               value like(libssh2_Cint)
     d  value                              value like(libssh2_Cint)

     d libssh2_session_banner_get...
     d                 pr              *   extproc('libssh2_session_banner_get') const char *
     d  session                        *   value                                LIBSSH2_SESSION *

      * Userauth API.

     d libssh2_userauth_list...
     d                 pr              *   extproc('libssh2_userauth_list')     char *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  username_len                       value like(libssh2_Cuint)

     d libssh2_userauth_authenticated...
     d                 pr                  extproc(
     d                                     'libssh2_userauth_authenticated')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_userauth_password_ex...
     d                 pr                  extproc(
     d                                     'libssh2_userauth_password_ex')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  username_len                       value like(libssh2_Cuint)
     d  password                       *   value options(*string)               const char *
     d  password_len                       value like(libssh2_Cuint)
     d  passwd_change_cb...
     d                                 *   value procptr

      * Implementation of C macro.
     d libssh2_userauth_password...
     d                 pr                  extproc('libssh2_userauth_password')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  password                       *   value options(*string)               const char *

     d libssh2_userauth_publickey_fromfile_ex...
     d                 pr                  extproc('libssh2_userauth_publickey_-
     d                                     fromfile_ex')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  username_len                       value like(libssh2_Cuint)
     d  publickey                      *   value options(*string)               const char *
     d  privatekey                     *   value options(*string)               const char *
     d  passphrase                     *   value options(*string)               const char *

      * Implementation of C macro.
     d libssh2_userauth_publickey_fromfile...
     d                 pr                  extproc(
     d                                     'libssh2_userauth_publickey_fromfile'
     d                                     )
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  publickey                      *   value options(*string)               const char *
     d  privatekey                     *   value options(*string)               const char *
     d  passphrase                     *   value options(*string)               const char *

     d libssh2_userauth_publickey...
     d                 pr                  extproc('libssh2_userauth_publickey')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  pubkeydata                     *   value options(*string)               const unsigned char*
     d  pubkeydata_len...
     d                                     value like(libssh2_Csize_t)
     d  sign_callback                  *   value procptr
     d  abstract                       *                                        void *(*)

     d libssh2_userauth_hostbased_fromfile_ex...
     d                 pr                  extproc('libssh2_userauth_hostbased_-
     d                                     fromfile_ex')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  username_len                       value like(libssh2_Cuint)
     d  publickey                      *   value options(*string)               const char *
     d  privatekey                     *   value options(*string)               const char *
     d  passphrase                     *   value options(*string)               const char *
     d  hostname                       *   value options(*string)               const char *
     d  hostname_len                       value like(libssh2_Cuint)
     d  local_username...
     d                                 *   value options(*string)               const char *
     d  local_username_len...
     d                                     value like(libssh2_Cuint)

      * C macro implementation.
     d libssh2_userauth_hostbased_fromfile...
     d                 pr                  extproc(
     d                                     'libssh2_userauth_hostbased_fromfile'
     d                                     )
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  publickey                      *   value options(*string)               const char *
     d  privatekey                     *   value options(*string)               const char *
     d  passphrase                     *   value options(*string)               const char *
     d  hostname                       *   value options(*string)               const char *

     d libssh2_userauth_publickey_frommemory...
     d                 pr                  extproc('libssh2_userauth_publickey_-
     d                                     frommemory')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  username_len                       value like(libssh2_Csize_t)
     d  publickeyfiledata...
     d                                 *   value options(*string)               const char *
     d  publickeyfiledata_len...
     d                                     value like(libssh2_Csize_t)
     d  privatekeyfiledata...
     d                                 *   value options(*string)               const char *
     d  privatekeyfiledata_len...
     d                                     value like(libssh2_Csize_t)
     d  passphrase                     *   value options(*string)               const char *

      * response_callback is provided with filled by library prompts array,
      * but client must allocate and fill individual responses. Responses
      * array is already allocated. Responses data will be freed by libssh2
      * after callback return, but before subsequent callback invokation.

     d libssh2_userauth_keyboard_interactive_ex...
     d                 pr                  extproc('libssh2_userauth_keyboard_i-
     d                                     nteractive_ex')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  username_len                       value like(libssh2_Cuint)
     d  response_callback...
     d                                 *   value procptr

      * C macro implementation.
     d libssh2_userauth_keyboard_interactive...
     d                 pr                  extproc('libssh2_userauth_keyboard_i-
     d                                     nteractive')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  username                       *   value options(*string)               const char *
     d  response_callback...
     d                                 *   value procptr

     d libssh2_poll    pr                  extproc('libssh2_poll')
     d                                     like(libssh2_Cint)
     d  fds                            *   value                                LIBSSH2_POLLFD *
     d  nfds                               value like(libssh2_Cuint)
     d  timeout                            value like(libssh2_Clong)

      * Channel API.
     d LIBSSH2_CHANNEL_WINDOW_DEFAULT...
     d                 c                   X'00200000'
     d LIBSSH2_CHANNEL_PACKET_DEFAULT...
     d                 c                   32768
     d LIBSSH2_CHANNEL_MINADJUST...
     d                 c                   1024

      * Extended Data Handling.
     d LIBSSH2_CHANNEL_EXTENDED_DATA_NORMAL...
     d                 c                   0
     d LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE...
     d                 c                   1
     d LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE...
     d                 c                   2

     d SSH_EXTENDED_DATA_STDERR...
     d                 c                   1

      * Returned by any function that would block during a read/write
      * operation.
     d LIBSSH2CHANNEL_EAGAIN...                                                 LIBSSH2_ERROR_EAGAIN
     d                 c                   -37

     d libssh2_channel_open_ex...
     d                 pr              *   extproc('libssh2_channel_open_ex')   LIBSSH2_CHANNEL *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  channel_type                   *   value options(*string)               const char *
     d  channel_type_len...
     d                                     value like(libssh2_Cuint)
     d  window_size                        value like(libssh2_Cuint)
     d  packet_size                        value like(libssh2_Cuint)
     d  message                        *   value options(*string)               const char *
     d  message_len                        value like(libssh2_Cuint)

      * C macro implementation.
     d libssh2_channel_open_session...
     d                 pr              *   extproc(                             LIBSSH2_CHANNEL *
     d                                     'libssh2_channel_open_session')
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_channel_direct_tcpip_ex...
     d                 pr              *   extproc(                             LIBSSH2_CHANNEL *
     d                                     'libssh2_channel_direct_tcpip_ex')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  host                           *   value options(*string)               const char *
     d  port                               value like(libssh2_Cint)
     d  shost                          *   value options(*string)               const char *
     d  sport                              value like(libssh2_Cint)

      * C macro implementation.
     d libssh2_channel_direct_tcpip...
     d                 pr              *   extproc(                             LIBSSH2_CHANNEL *
     d                                     'libssh2_channel_direct_tcpip')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  host                           *   value options(*string)               const char *
     d  port                               value like(libssh2_Cint)

     d libssh2_channel_forward_listen_ex...
     d                 pr              *   extproc(                             LIBSSH2_LISTENER *
     d                                     'libssh2_channel_forward_listen_ex')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  host                           *   value options(*string)               const char *
     d  port                               value like(libssh2_Cint)
     d  bound_port                         like(libssh2_Cint)
     d  queue_maxsize                      value like(libssh2_Cint)

      * C macro implementation.
     d libssh2_channel_forward_listen...
     d                 pr              *   extproc(                             LIBSSH2_LISTENER *
     d                                     'libssh2_channel_forward_listen')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  port                               value like(libssh2_Cint)

     d libssh2_channel_forward_cancel...
     d                 pr                  extproc(
     d                                     'libssh2_channel_forward_cancel')
     d                                     like(libssh2_Cint)
     d  listener                       *   value                                LIBSSH2_LISTENER *

     d libssh2_channel_forward_accept...
     d                 pr              *   extproc(                             LIBSSH2_CHANNEL *
     d                                     'libssh2_channel_forward_accept')
     d  listener                       *   value                                LIBSSH2_LISTENER *

     d libssh2_channel_setenv_ex...
     d                 pr                  extproc('libssh2_channel_setenv_ex')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  varname                        *   value options(*string)               const char *
     d  varname_len                        value like(libssh2_Cuint)
     d  value                          *   value options(*string)               const char *
     d  value_len                          value like(libssh2_Cuint)

      * C macro implementation.
     d libssh2_channel_setenv...
     d                 pr                  extproc('libssh2_channel_setenv')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  varname                        *   value options(*string)               const char *
     d  value                          *   value options(*string)               const char *

     d libssh2_channel_request_pty_ex...
     d                 pr                  extproc(
     d                                     'libssh2_channel_request_pty_ex')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  term                           *   value options(*string)               const char *
     d  term_len                           value like(libssh2_Cuint)
     d  modes                          *   value options(*string)               const char *
     d  modes_len                          value like(libssh2_Cuint)
     d  width                              value like(libssh2_Cint)
     d  height                             value like(libssh2_Cint)
     d  width_px                           value like(libssh2_Cint)
     d  height_px                          value like(libssh2_Cint)

      * C macro implementation.
     d libssh2_channel_request_pty...
     d                 pr                  extproc(
     d                                     'libssh2_channel_request_pty')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  term                           *   value options(*string)               const char *

     d libssh2_channel_request_pty_size_ex...
     d                 pr                  extproc(
     d                                     'libssh2_channel_request_pty_size_ex'
     d                                     )
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  width                              value like(libssh2_Cint)
     d  height                             value like(libssh2_Cint)
     d  width_px                           value like(libssh2_Cint)
     d  height_px                          value like(libssh2_Cint)

      * C macro implementation.
     d libssh2_channel_request_pty_size...
     d                 pr                  extproc(
     d                                     'libssh2_channel_request_pty_size')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  width                              value like(libssh2_Cint)
     d  height                             value like(libssh2_Cint)

     d libssh2_channel_x11_req_ex...
     d                 pr                  extproc('libssh2_channel_x11_req_ex')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  single_connection...
     d                                     value like(libssh2_Cint)
     d  auth_proto                     *   value options(*string)               const char *
     d  auth_cookie                    *   value options(*string)               const char *
     d  screen_number                      value like(libssh2_Cint)

      * C macro implementation.
     d libssh2_channel_x11_req...
     d                 pr                  extproc('libssh2_channel_x11_req')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  screen_number                      value like(libssh2_Cint)

     d libssh2_channel_process_startup...
     d                 pr                  extproc(
     d                                     'libssh2_channel_process_startup')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  request                        *   value options(*string)               const char *
     d  request_len                        value like(libssh2_Cuint)
     d  message                        *   value options(*string)               const char *
     d  message_len                        value like(libssh2_Cuint)

      * C macro implementation.
     d libssh2_channel_shell...
     d                 pr                  extproc('libssh2_channel_shell')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

      * C macro implementation.
     d libssh2_channel_exec...
     d                 pr                  extproc('libssh2_channel_exec')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  command                        *   value options(*string)               const char *

      * C macro implementation.
     d libssh2_channel_subsystem...
     d                 pr                  extproc('libssh2_channel_subsystem')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  subsystem                      *   value options(*string)               const char *

     d libssh2_channel_read_ex...
     d                 pr                  extproc('libssh2_channel_read_ex')
     d                                     like(libssh2_Cssize_t)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  stream_id                          value like(libssh2_Cint)
     d  buf                            *   value                                char *
     d  buflen                             value like(libssh2_Csize_t)

      * C macro implementation.
     d libssh2_channel_read...
     d                 pr                  extproc('libssh2_channel_read')
     d                                     like(libssh2_Cssize_t)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  buf                            *   value                                char *
     d  buflen                             value like(libssh2_Csize_t)

      * C macro implementation.
     d libssh2_channel_read_stderr...
     d                 pr                  extproc(
     d                                     'libssh2_channel_read_stderr')
     d                                     like(libssh2_Cssize_t)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  buf                            *   value                                char *
     d  buflen                             value like(libssh2_Csize_t)

     d libssh2_poll_channel_read...
     d                 pr                  extproc('libssh2_poll_channel_read')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  extended                           value like(libssh2_Cint)

     d libssh2_channel_window_read_ex...
     d                 pr                  extproc(
     d                                     'libssh2_channel_window_read_ex')
     d                                     like(libssh2_Culong)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  read_avail                         like(libssh2_Culong)
     d  window_size_initial...
     d                                     like(libssh2_Culong)

      * C macro implementation.
     d libssh2_channel_window_read...
     d                 pr                  extproc(
     d                                     'libssh2_channel_window_read')
     d                                     like(libssh2_Culong)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_receive_window_adjust2...
     d                 pr                  extproc('libssh2_channel_receive_win-
     d                                     dow_adjust2')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  adjustment                         value like(libssh2_Culong)
     d  force                              value like(libssh2_Cuchar)
     d  storewindow                        like(libssh2_Cuint)

     d libssh2_channel_write_ex...
     d                 pr                  extproc('libssh2_channel_write_ex')
     d                                     like(libssh2_Cssize_t)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  stream_id                          value like(libssh2_Cint)
     d  buf                            *   value options(*string)               const char *
     d  buflen                             value like(libssh2_Csize_t)

      * C macro implementation.
     d libssh2_channel_write...
     d                 pr                  extproc('libssh2_channel_write')
     d                                     like(libssh2_Cssize_t)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  buf                            *   value options(*string)               const char *
     d  buflen                             value like(libssh2_Csize_t)

      * C macro implementation.
     d libssh2_channel_write_stderr...
     d                 pr                  extproc(
     d                                     'libssh2_channel_write_stderr')
     d                                     like(libssh2_Cssize_t)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  buf                            *   value options(*string)               const char *
     d  buflen                             value like(libssh2_Csize_t)

     d libssh2_channel_window_write_ex...
     d                 pr                  extproc(
     d                                     'libssh2_channel_window_write_ex')
     d                                     like(libssh2_Culong)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  window_size_initial...
     d                                     like(libssh2_Culong)

      * C macro implementation.
     d libssh2_channel_window_write...
     d                 pr                  extproc(
     d                                     'libssh2_channel_window_write')
     d                                     like(libssh2_Culong)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_session_set_blocking...
     d                 pr                  extproc(
     d                                     'libssh2_session_set_blocking')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  blocking                           value like(libssh2_Cint)

     d libssh2_session_get_blocking...
     d                 pr                  extproc(
     d                                     'libssh2_session_get_blocking')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_channel_set_blocking...
     d                 pr                  extproc(
     d                                     'libssh2_channel_set_blocking')
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  blocking                           value like(libssh2_Cint)

     d libssh2_session_set_timeout...
     d                 pr                  extproc(
     d                                     'libssh2_session_set_timeout')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  timeout                            value like(libssh2_Clong)

     d libssh2_session_get_timeout...
     d                 pr                  extproc(
     d                                     'libssh2_session_get_timeout')
     d                                     like(libssh2_Clong)
     d  session                        *   value                                LIBSSH2_SESSION *

     d libssh2_channel_handle_extended_data2...
     d                 pr                  extproc('libssh2_channel_handle_exte-
     d                                     nded_data2')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  ignore_mode                        value like(libssh2_Cint)

      * libssh2_channel_ignore_extended_data() is defined below for BC with
      * version 0.1.

     d LIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA...
     d                 c                   -1
     d LIBSSH2_CHANNEL_FLUSH_ALL...
     d                 c                   -2

     d libssh2_channel_flush_ex...
     d                 pr                  extproc('libssh2_channel_flush_ex')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  streamid                           value like(libssh2_Cint)

      * C macro implementation.
     d libssh2_channel_flush...
     d                 pr                  extproc('libssh2_channel_flush')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

      * C macro implementation.
     d libssh2_channel_flush_stderr...
     d                 pr                  extproc(
     d                                     'libssh2_channel_flush_stderr')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_get_exit_status...
     d                 pr                  extproc(
     d                                     'libssh2_channel_get_exit_status')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_get_exit_signal...
     d                 pr                  extproc(
     d                                     'libssh2_channel_get_exit_signal')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *
     d  exitsignal                     *                                        char *(*)
     d  exitsignal_len...
     d                                     like(libssh2_Csize_t)
     d  errmsg                         *                                        char *(*)
     d  errmsg_len                         like(libssh2_Csize_t)
     d  langtag                        *                                        char *(*)
     d  langtag_len                        like(libssh2_Csize_t)

     d libssh2_channel_send_eof...
     d                 pr                  extproc('libssh2_channel_send_eof')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_eof...
     d                 pr                  extproc('libssh2_channel_eof')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_wait_eof...
     d                 pr                  extproc('libssh2_channel_wait_eof')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_close...
     d                 pr                  extproc('libssh2_channel_close')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_wait_closed...
     d                 pr                  extproc(
     d                                     'libssh2_channel_wait_closed')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

     d libssh2_channel_free...
     d                 pr                  extproc('libssh2_channel_free')
     d                                     like(libssh2_Cint)
     d  channel                        *   value                                LIBSSH2_CHANNEL *

      * Use libssh2_scp_recv2 for large (> 2GB) file support.
     d libssh2_scp_recv2...
     d                 pr              *   extproc('libssh2_scp_recv2')         LIBSSH2_CHANNEL *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  path                           *   value options(*string)               const char *
     d  sb                                 likeds(libssh2_struct_stat)

     d libssh2_scp_send_ex...
     d                 pr              *   extproc('libssh2_scp_send_ex')       LIBSSH2_CHANNEL *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  path                           *   value options(*string)               const char *
     d  mode                               value like(libssh2_Cint)
     d  size                               value like(libssh2_Csize_t)
     d  mtime                              value like(libssh2_Clong)
     d  atime                              value like(libssh2_Clong)

     d libssh2_scp_send64...
     d                 pr              *   extproc('libssh2_scp_send64')        LIBSSH2_CHANNEL *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  path                           *   value options(*string)               const char *
     d  mode                               value like(libssh2_Cint)
     d  size                               value like(libssh2_int64_t)
     d  mtime                              value like(libssh2_time_t)
     d  atime                              value like(libssh2_time_t)

      * C macro implementation.
     d libssh2_scp_send...
     d                 pr              *   extproc('libssh2_scp_send')          LIBSSH2_CHANNEL *
     d  session                        *   value                                LIBSSH2_SESSION *
     d  path                           *   value options(*string)               const char *
     d  mode                               value like(libssh2_Cint)
     d  size                               value like(libssh2_int64_t)

     d libssh2_base64_decode...
     d                 pr                  extproc('libssh2_base64_decode')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  dest                           *   value                                char * *
     d  dest_len                       *   value                                unsigned int *
     d  src                            *   value options(*string)               const char *
     d  src_len                            value like(libssh2_Cuint)

      * Procedure libssh2_version renamed to avoid upper/lower case name clash.
     d libssh2_get_version...
     d                 pr              *   extproc('libssh2_version')           const char *
     d  req_version_num...
     d                                     value like(libssh2_Cint)

     d HAVE_LIBSSH2_KNOWNHOST_API...                                            since 1.1.1
     d                 c                   X'010101'
     d HAVE_LIBSSH2_VERSION_API...                                              since 1.1
     d                 c                   X'010100'

     d libssh2_knownhost...
     d                 ds                  based(######typedef######)
     d                                     align qualified
     d  magic                              like(libssh2_Cuint)
     d  node                           *                                        void *
     d  name                           *                                        char *
     d  key                            *                                        char *
     d  typemask                           like(libssh2_Cint)

      * libssh2_knownhost_init
      *
      * Init a collection of known hosts. Returns the pointer to a collection.

     d libssh2_knownhost_init...
     d                 pr              *   extproc('libssh2_knownhost_init')    LIBSSH2_KNOWNHOSTS *
     d  session                        *   value                                LIBSSH2_SESSION *

      * libssh2_knownhost_add
      *
      * Add a host and its associated key to the collection of known hosts.
      *
      * The 'type' argument specifies on what format the given host and
      * keys are:
      *
      * plain  - ascii "hostname.domain.tld"
      * sha1   - SHA1(<salt> <host>) base64-encoded!
      * custom - another hash
      *
      * If 'sha1' is selected as type, the salt must be provided to the salt
      * argument. This too base64 encoded.
      *
      * The SHA-1 hash is what OpenSSH can be told to use in known_hosts files.
      * If a custom type is used, salt is ignored and you must provide the host
      * pre-hashed when checking for it in the libssh2_knownhost_check()
      * function.
      *
      * The keylen parameter may be omitted (zero) if the key is provided as a
      * NULL-terminated base64-encoded string.

      * host format (2 bits).
     d LIBSSH2_KNOWNHOST_TYPE_MASK...
     d                 c                   X'FFFF'
     d  LIBSSH2_KNOWNHOST_TYPE_PLAIN...
     d                 c                   1
     d LIBSSH2_KNOWNHOST_TYPE_SHA1...                                           always base64 ncoded
     d                 c                   2
     d LIBSSH2_KNOWNHOST_TYPE_CUSTOM...
     d                 c                   3

      * key format (2 bits).
     d LIBSSH2_KNOWNHOST_KEYENC_MASK...
     d                 c                   X'00030000'
     d LIBSSH2_KNOWNHOST_KEYENC_RAW...
     d                 c                   X'00010000'
     d LIBSSH2_KNOWNHOST_KEYENC_BASE64...
     d                 c                   X'00020000'

      * type of key (3 bits).
     d LIBSSH2_KNOWNHOST_KEY_MASK...
     d                 c                   X'001C0000'
     d LIBSSH2_KNOWNHOST_KEY_SHIFT...
     d                 c                   18
     d LIBSSH2_KNOWNHOST_KEY_RSA1...
     d                 c                   X'00040000'
     d LIBSSH2_KNOWNHOST_KEY_SSHRSA...
     d                 c                   X'00080000'
     d LIBSSH2_KNOWNHOST_KEY_SSHDSS...
     d                 c                   X'000C0000'
     d LIBSSH2_KNOWNHOST_KEY_UNKNOWN...
     d                 c                   X'001C0000'

     d libssh2_knownhost_add...
     d                 pr                  extproc('libssh2_knownhost_add')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  host                           *   value options(*string)               const char *
     d  salt                           *   value options(*string)               const char *
     d  key                            *   value options(*string)               const char *
     d  keylen                             value like(libssh2_Csize_t)
     d  typemask                           value like(libssh2_Cint)
     d  store                          *                                        libssh2_knownhost *

      * libssh2_knownhost_addc
      *
      * Add a host and its associated key to the collection of known hosts.
      *
      * Takes a comment argument that may be NULL.  A NULL comment indicates
      * there is no comment and the entry will end directly after the key
      * when written out to a file.  An empty string "" comment will indicate an
      * empty comment which will cause a single space to be written after the
      * key.
      *
      * The 'type' argument specifies on what format the given host and keys
      * are:
      *
      * plain  - ascii "hostname.domain.tld"
      * sha1   - SHA1(<salt> <host>) base64-encoded!
      * custom - another hash
      *
      * If 'sha1' is selected as type, the salt must be provided to the salt
      * argument. This too base64 encoded.
      *
      * The SHA-1 hash is what OpenSSH can be told to use in known_hosts files.
      * If a custom type is used, salt is ignored and you must provide the host
      * pre-hashed when checking for it in the libssh2_knownhost_check()
      * function.
      *
      * The keylen parameter may be omitted (zero) if the key is provided as a
      * NULL-terminated base64-encoded string.

     d libssh2_knownhost_addc...
     d                 pr                  extproc('libssh2_knownhost_addc')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  host                           *   value options(*string)               const char *
     d  salt                           *   value options(*string)               const char *
     d  key                            *   value options(*string)               const char *
     d  keylen                             value like(libssh2_Csize_t)
     d  comment                        *   value options(*string)               const char *
     d  commentlen                         value like(libssh2_Csize_t)
     d  typemask                           value like(libssh2_Cint)
     d  store                          *                                        libssh2_knownhost *


      * libssh2_knownhost_check
      *
      * Check a host and its associated key against the collection of known
      * hosts.
      *
      * The type is the type/format of the given host name.
      *
      * plain  - ascii "hostname.domain.tld"
      * custom - prehashed base64 encoded. Note that this cannot use any salts.
      *
      *
      * 'knownhost' may be set to NULL if you don't care about that info.
      *
      * Returns:
      *
      * LIBSSH2_KNOWNHOST_CHECK_* values, see below.

     d LIBSSH2_KNOWNHOST_CHECK_MATCH...
     d                 c                   0
     d LIBSSH2_KNOWNHOST_CHECK_MISMATCH...
     d                 c                   1
     d LIBSSH2_KNOWNHOST_CHECK_NOTFOUND...
     d                 c                   2
     d LIBSSH2_KNOWNHOST_CHECK_FAILURE...
     d                 c                   3

     d libssh2_knownhost_check...
     d                 pr                  extproc('libssh2_knownhost_check')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  host                           *   value options(*string)               const char *
     d  key                            *   value options(*string)               const char *
     d  keylen                             value like(libssh2_Csize_t)
     d  typemask                           value like(libssh2_Cint)
     d  knownhost                      *                                        libssh2_knownhost *

      * this function is identital to the above one, but also takes a port
      * argument that allows libssh2 to do a better check.
     d libssh2_knownhost_checkp...
     d                 pr                  extproc('libssh2_knownhost_checkp')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  host                           *   value options(*string)               const char *
     d  port                               value like(libssh2_Cint)
     d  key                            *   value options(*string)               const char *
     d  keylen                             value like(libssh2_Csize_t)
     d  typemask                           value like(libssh2_Cint)
     d  knownhost                      *                                        libssh2_knownhost *

      * libssh2_knownhost_del
      *
      * Remove a host from the collection of known hosts. The 'entry' struct is
      * retrieved by a call to libssh2_knownhost_check().

     d libssh2_knownhost_del...
     d                 pr                  extproc('libssh2_knownhost_del')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  entry                              likeds(libssh2_knownhost)

      * libssh2_knownhost_free
      *
      * Free an entire collection of known hosts.

     d libssh2_knownhost_free...
     d                 pr                  extproc('libssh2_knownhost_free')
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *

      * libssh2_knownhost_readline()
      *
      * Pass in a line of a file of 'type'. It makes libssh2 read this line.
      *
      * LIBSSH2_KNOWNHOST_FILE_OPENSSH is the only supported type.

     d libssh2_knownhost_readline...
     d                 pr                  extproc('libssh2_knownhost_readline')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  line                           *   value options(*string)               const char *
     d  len                                value like(libssh2_Csize_t)
     d  type                               value like(libssh2_Cint)

      * libssh2_knownhost_readfile
      *
      * Add hosts+key pairs from a given file.
      *
      * Returns a negative value for error or number of successfully added
      * hosts.
      *
      * This implementation currently only knows one 'type' (openssh), all
      * others are reserved for future use.

     d LIBSSH2_KNOWNHOST_FILE_OPENSSH...
     d                 c                   1

     d libssh2_knownhost_readfile...
     d                 pr                  extproc('libssh2_knownhost_readfile')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  filename                       *   value options(*string)               const char *
     d  type                               value like(libssh2_Cint)

      * libssh2_knownhost_writeline()
      *
      * Ask libssh2 to convert a known host to an output line for storage.
      *
      * Note that this function returns LIBSSH2_ERROR_BUFFER_TOO_SMALL if the
      * given output buffer is too small to hold the desired output.
      *
      * This implementation currently only knows one 'type' (openssh), all
      * others are reserved for future use.

     d libssh2_knownhost_writeline...
     d                 pr                  extproc(
     d                                     'libssh2_knownhost_writeline')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  known                              likeds(libssh2_knownhost)
     d  buffer                         *   value options(*string)               char *
     d  buflen                             value like(libssh2_Csize_t)
     d  outlen                             like(libssh2_Csize_t)                Written data amount
     d  type                               value like(libssh2_Cint)

      * libssh2_knownhost_writefile
      *
      * Write hosts+key pairs to a given file.
      *
      * This implementation currently only knows one 'type' (openssh), all
      * others are reserved for future use.

     d libssh2_knownhost_writefile...
     d                 pr                  extproc(
     d                                     'libssh2_knownhost_writefile')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  filename                       *   value options(*string)               const char *
     d  type                               value like(libssh2_Cint)

      * libssh2_knownhost_get()
      *
      * Traverse the internal list of known hosts. Pass NULL to 'prev' to get
      * the first one. Or pass a poiner to the previously returned one to
      * get the next.
      *
      * Returns:
      * 0 if a fine host was stored in 'store'
      * 1 if end of hosts
      * [negative] on errors

     d libssh2_knownhost_get...
     d                 pr                  extproc('libssh2_knownhost_get')
     d                                     like(libssh2_Cint)
     d  hosts                          *   value                                LIBSSH2_KNOWNHOSTS *
     d  store                          *                                        libssh2_knownhost *
     d  prev                               likeds(libssh2_knownhost)

     d HAVE_LIBSSH2_AGENT_API...                                                since 1.2.2
     d                 c                   X'010202'

     d libssh2_agent_publickey...
     d                 ds                  based(######typedef######)
     d                                     align qualified
     d  magic                              like(libssh2_Cuint)
     d  node                           *                                        void *
     d  blob                           *                                        unsigned char *
     d  blob_len                           like(libssh2_Csize_t)
     d  comment                        *                                        char *

      * libssh2_agent_init
      *
      * Init an ssh-agent handle. Returns the pointer to the handle.

     d libssh2_agent_init...
     d                 pr              *   extproc('libssh2_agent_init')        LIBSSH2_AGENT *
     d  session                        *   value                                LIBSSH2_SESSION *

      * libssh2_agent_connect()
      *
      * Connect to an ssh-agent.
      *
      * Returns 0 if succeeded, or a negative value for error.

     d libssh2_agent_connect...
     d                 pr                  extproc('libssh2_agent_connect')
     d                                     like(libssh2_Cint)
     d  agent                          *   value                                LIBSSH2_AGENT *

      * libssh2_agent_list_identities()
      *
      * Request an ssh-agent to list identities.
      *
      * Returns 0 if succeeded, or a negative value for error.

     d libssh2_agent_list_identities...
     d                 pr                  extproc(
     d                                     'libssh2_agent_list_identities')
     d                                     like(libssh2_Cint)
     d  agent                          *   value                                LIBSSH2_AGENT *

      * libssh2_agent_get_identity()
      *
      * Traverse the internal list of public keys. Pass NULL to 'prev' to get
      * the first one. Or pass a poiner to the previously returned one to
      * get the next.
      *
      * Returns:
      * 0 if a fine public key was stored in 'store'
      * 1 if end of public keys
      * [negative] on errors

     d libssh2_agent_get_identity...
     d                 pr                  extproc('libssh2_agent_get_identity')
     d                                     like(libssh2_Cint)
     d  agent                          *   value                                LIBSSH2_AGENT *
     d  store                          *                                        libssh2_agent_...
     d                                                                          publickey *(*)
     d  prev                               likeds(libssh2_agent_publickey)

      * libssh2_agent_userauth()
      *
      * Do publickey user authentication with the help of ssh-agent.
      *
      * Returns 0 if succeeded, or a negative value for error.

     d libssh2_agent_userauth...
     d                 pr                  extproc('libssh2_agent_userauth')
     d                                     like(libssh2_Cint)
     d  agent                          *   value                                LIBSSH2_AGENT *
     d  username                       *   value options(*string)               const char *
     d  identity                           likeds(libssh2_agent_publickey)

      * libssh2_agent_disconnect()
      *
      * Close a connection to an ssh-agent.
      *
      * Returns 0 if succeeded, or a negative value for error.

     d libssh2_agent_disconnect...
     d                 pr                  extproc('libssh2_agent_disconnect')
     d                                     like(libssh2_Cint)
     d  agent                          *   value                                LIBSSH2_AGENT *

      * libssh2_agent_free()
      *
      * Free an ssh-agent handle. This function also frees the internal
      * collection of public keys.

     d libssh2_agent_free...
     d                 pr                  extproc('libssh2_agent_free')
     d  agent                          *   value                                LIBSSH2_AGENT *


      * libssh2_keepalive_config()
      *
      * Set how often keepalive messages should be sent.  WANT_REPLY
      * indicates whether the keepalive messages should request a response
      * from the server.  INTERVAL is number of seconds that can pass
      * without any I/O, use 0 (the default) to disable keepalives.  To
      * avoid some busy-loop corner-cases, if you specify an interval of 1
      * it will be treated as 2.
      *
      * Note that non-blocking applications are responsible for sending the
      * keepalive messages using libssh2_keepalive_send().

     d libssh2_keepalive_config...
     d                 pr                  extproc('libssh2_keepalive_config')
     d  session                        *   value                                LIBSSH2_SESSION *
     d  want_reply                         value like(libssh2_Cint)
     d  interval                           value like(libssh2_Cuint)

      * libssh2_keepalive_send()
      *
      * Send a keepalive message if needed.  SECONDS_TO_NEXT indicates how
      * many seconds you can sleep after this call before you need to call
      * it again.  Returns 0 on success, or LIBSSH2_ERROR_SOCKET_SEND on
      * I/O errors.

     d libssh2_keepalive_send...
     d                 pr                  extproc('libssh2_keepalive_send')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  seconds_to_next...
     d                                     like(libssh2_Cint)

      * NOTE NOTE NOTE
      * libssh2_trace() has no function in builds that aren't built with debug
      * enabled.

     d libssh2_trace   pr                  extproc('libssh2_trace')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  bitmask                            value like(libssh2_Cint)

     d LIBSSH2_TRACE_TRANS...
     d                 c                   X'0002'
     d LIBSSH2_TRACE_KEX...
     d                 c                   X'0004'
     d LIBSSH2_TRACE_AUTH...
     d                 c                   X'0008'
     d LIBSSH2_TRACE_CONN...
     d                 c                   X'0010'
     d LIBSSH2_TRACE_SCP...
     d                 c                   X'0020'
     d LIBSSH2_TRACE_SFTP...
     d                 c                   X'0040'
     d LIBSSH2_TRACE_ERROR...
     d                 c                   X'0080'
     d LIBSSH2_TRACE_PUBLICKEY...
     d                 c                   X'0100'
     d LIBSSH2_TRACE_SOCKET...
     d                 c                   X'0200'

     d libssh2_trace_handler_func...
     d                 s               *   based(######typedef######) procptr

     d libssh2_trace_sethandler...
     d                 pr                  extproc('libssh2_trace_sethandler')
     d                                     like(libssh2_Cint)
     d  session                        *   value                                LIBSSH2_SESSION *
     d  context                        *   value                                void *
     d  callback                           value
     d                                     like(libssh2_trace_handler_func)

      /endif                                                                    LIBSSH2_H_