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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

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1.2 KiB
Markdown

---
c: Copyright (C) The libssh2 project and its contributors.
SPDX-License-Identifier: BSD-3-Clause
Title: libssh2_session_banner_set
Section: 3
Source: libssh2
See-also:
- 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
~~~c
#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)