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libssh2/docs/libssh2_channel_handle_extended_data2.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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1.3 KiB
Markdown

---
c: Copyright (C) The libssh2 project and its contributors.
SPDX-License-Identifier: BSD-3-Clause
Title: libssh2_channel_handle_extended_data2
Section: 3
Source: libssh2
See-also:
- libssh2_channel_handle_extended_data(3)
- libssh2_channel_read(3)
- libssh2_channel_read_ex(3)
---
# NAME
libssh2_channel_handle_extended_data2 - set extended data handling mode
# SYNOPSIS
~~~c
#include <libssh2.h>
int
libssh2_channel_handle_extended_data2(LIBSSH2_CHANNEL *channel,
int ignore_mode);
~~~
# DESCRIPTION
*channel* - Active channel stream to change extended data handling on.
*ignore_mode* - One of the three LIBSSH2_CHANNEL_EXTENDED_DATA_* Constants.
**LIBSSH2_CHANNEL_EXTENDED_DATA_NORMAL**: Queue extended data for eventual
reading
**LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE**: Treat extended data and ordinary
data the same. Merge all substreams such that calls to libssh2_channel_read(3)
will pull from all substreams on a first-in/first-out basis.
**LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE**: Discard all extended data as it
arrives.
Change how a channel deals with extended data packets. By default all
extended data is queued until read by libssh2_channel_read_ex(3).
# RETURN VALUE
Return 0 on success or LIBSSH2_ERROR_EAGAIN when it would otherwise block.