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3969991b683efac1d40d76a42af3a47832b85783
libssh2/docs/libssh2_session_callback_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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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_callback_set 3 libssh2
libssh2_agent_sign(3)
libssh2_session_callback_set2(3)
libssh2_session_init_ex(3)

NAME

libssh2_session_callback_set - set a callback function

SYNOPSIS

#include <libssh2.h>

void *
libssh2_session_callback_set(LIBSSH2_SESSION *session,
                             int cbtype, void *callback);

DESCRIPTION

This function is DEPRECATED in 1.11.1. Use the libssh2_session_callback_set2(3) function instead!

This implementation is expecting and returning a data pointer for callback functions.

For the details about the replacement function, see libssh2_session_callback_set2(3) which is expecting and returning a function pointer.

RETURN VALUE

Pointer to previous callback handler. Returns NULL if no prior callback handler was set or the callback type was unknown.