mirror of https://github.com/libssh2/libssh2.git synced 2025-10-24 14:53:03 +03:00

Files

Viktor Szakats b889b39945 docs: convert man page sources to "curldown" format

To render in Git webviews as-is, to make it easier to edit, verify,
and to sync up with curl.

- add options to not build the `.3` man pages:
  - autotools: `--disable-docs`
  - cmake: `LIBSSH2_BUILD_DOCS=OFF`
- building `.3` man pages requires Perl after this patch.
- drop `mansyntax` and the shell / `grep` / GNU `man` tool requirements with it.
- scripts and most logic were copied from curl.
- add `cd2nroff` from curl, with edits to relax curl-specific checks.
- used `nroff2cd` (from curl) to convert from `.3` to `.md`. Then
  manually fixed copyrights, inline function references and a couple
  of other things.

Credits-to: Daniel Stenberg

Ref: eefcc1bda4
Ref: https://github.com/curl/curl/pull/12730
Ref: https://github.com/libssh2/www/issues/25#issuecomment-3289431671

Closes #1660

2025-10-09 04:05:38 +02:00

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c, SPDX-License-Identifier, Title, Section, Source, See-also

SPDX-License-Identifier

Title

Section

Source

See-also

BSD-3-Clause

libssh2_session_startup

libssh2

libssh2_session_free(3)

libssh2_session_init_ex(3)

NAME

libssh2_session_startup - begin transport layer

SYNOPSIS

#include <libssh2.h>

int
libssh2_session_startup(LIBSSH2_SESSION *session, int socket);

DESCRIPTION

Starting in libssh2 version 1.2.8 this function is considered deprecated. Use libssh2_session_handshake(3) instead.

session - Session instance as returned by libssh2_session_init_ex(3)

socket - Connected socket descriptor. Typically a TCP connection though the protocol allows for any reliable transport and the library will attempt to use any berkeley socket.

Begin transport layer protocol negotiation with the connected host.

RETURN VALUE

Returns 0 on success, negative on failure.

ERRORS

LIBSSH2_ERROR_SOCKET_NONE - The socket is invalid.

LIBSSH2_ERROR_BANNER_SEND - Unable to send banner to remote host.

LIBSSH2_ERROR_KEX_FAILURE - Encryption key exchange with the remote host failed.

LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.

LIBSSH2_ERROR_SOCKET_DISCONNECT - The socket was disconnected.

LIBSSH2_ERROR_PROTO - An invalid SSH protocol response was received on the socket.

LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call would block.

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