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libssh2/docs/libssh2_session_banner_set.md
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

1.2 KiB

c, SPDX-License-Identifier, Title, Section, Source, See-also
c SPDX-License-Identifier Title Section Source See-also
Copyright (C) The libssh2 project and its contributors. BSD-3-Clause libssh2_session_banner_set 3 libssh2
libssh2_session_banner_get(3)
libssh2_session_handshake(3)
libssh2_session_init_ex(3)

NAME

libssh2_session_banner_set - set the SSH protocol banner for the local client

SYNOPSIS

#include <libssh2.h>

int
libssh2_session_banner_set(LIBSSH2_SESSION *session, const char *banner);

DESCRIPTION

session - Session instance as returned by libssh2_session_init_ex(3)

banner - A pointer to a zero-terminated string holding the user defined banner

Set the banner that will be sent to the remote host when the SSH session is started with libssh2_session_handshake(3) This is optional; a banner corresponding to the protocol and libssh2 version will be sent by default.

RETURN VALUE

Returns 0 on success or negative on failure. It returns LIBSSH2_ERROR_EAGAIN when it would otherwise block. While LIBSSH2_ERROR_EAGAIN is a negative number, it is not really a failure per se.

ERRORS

LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.

AVAILABILITY

Added in 1.4.0.

Before 1.4.0 this function was known as libssh2_banner_set(3)