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libssh2/docs/libssh2_keepalive_config.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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Markdown

---
c: Copyright (C) The libssh2 project and its contributors.
SPDX-License-Identifier: BSD-3-Clause
Title: libssh2_keepalive_config
Section: 3
Source: libssh2
See-also:
- libssh2_keepalive_send(3)
---
# NAME
libssh2_keepalive_config - short function description
# SYNOPSIS
~~~c
#include <libssh2.h>
void
libssh2_keepalive_config(LIBSSH2_SESSION *session,
int want_reply,
unsigned int interval);
~~~
# DESCRIPTION
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(3)**.
# RETURN VALUE
Nothing
# AVAILABILITY
Added in libssh2 1.2.5