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libssh2/docs/libssh2_channel_request_pty_ex.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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1.7 KiB
Markdown

---
c: Copyright (C) The libssh2 project and its contributors.
SPDX-License-Identifier: BSD-3-Clause
Title: libssh2_channel_request_pty_ex
Section: 3
Source: libssh2
See-also:
- libssh2_channel_open_ex(3)
---
# NAME
libssh2_channel_request_pty_ex - short function description
# SYNOPSIS
~~~c
#include <libssh2.h>
int
libssh2_channel_request_pty_ex(LIBSSH2_CHANNEL *channel, const char *term,
unsigned int term_len,
const char *modes, unsigned int modes_len,
int width, int height,
int width_px, int height_px);
int
libssh2_channel_request_pty(LIBSSH2_CHANNEL *channel, const char *term);
~~~
# DESCRIPTION
*channel* - Previously opened channel instance such as returned by
libssh2_channel_open_ex(3)
*term* - Terminal emulation (e.g. vt102, ansi, etc...)
*term_len* - Length of term parameter
*modes* - Terminal mode modifier values
*modes_len* - Length of modes parameter.
*width* - Width of pty in characters
*height* - Height of pty in characters
*width_px* - Width of pty in pixels
*height_px* - Height of pty in pixels
Request a PTY on an established channel. Note that this does not make sense
for all channel types and may be ignored by the server despite returning
success.
# RETURN VALUE
Return 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.
*LIBSSH2_ERROR_SOCKET_SEND* - Unable to send data on socket.
*LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED* -