Daniel Stenberg eefcc1bda4

docs: introduce "curldown" for libcurl man page format

curldown is this new file format for libcurl man pages. It is markdown
inspired with differences:

- Each file has a set of leading headers with meta-data
- Supports a small subset of markdown
- Uses .md file extensions for editors/IDE/GitHub to treat them nicely
- Generates man pages very similar to the previous ones
- Generates man pages that still convert nicely to HTML on the website
- Detects and highlights mentions of curl symbols automatically (when
  their man page section is specified)

tools:

- cd2nroff: converts from curldown to nroff man page
- nroff2cd: convert an (old) nroff man page to curldown
- cdall: convert many nroff pages to curldown versions
- cd2cd: verifies and updates a curldown to latest curldown

This setup generates .3 versions of all the curldown versions at build time.

CI:

Since the documentation is now technically markdown in the eyes of many
things, the CI runs many more tests and checks on this documentation,
including proselint, link checkers and tests that make sure we capitalize the
first letter after a period...

Closes #12730

2024-01-23 00:29:02 +01:00

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SPDX-License-Identifier

Title

Section

Source

See-also

curl

CURLOPT_SSH_COMPRESSION

libcurl

CURLOPT_ACCEPT_ENCODING (3)

CURLOPT_TRANSFER_ENCODING (3)

NAME

CURLOPT_SSH_COMPRESSION - enable SSH compression

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_COMPRESSION, long enable);

DESCRIPTION

Pass a long as parameter set to 1L to enable or 0L to disable.

Enables built-in SSH compression. This is a request, not an order; the server may or may not do it.

DEFAULT

0, disabled

PROTOCOLS

All SSH based protocols: SCP, SFTP

EXAMPLE

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com");

    /* enable built-in compression */
    curl_easy_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);

    /* Perform the request */
    curl_easy_perform(curl);
  }
}

AVAILABILITY

Added in 7.56.0

RETURN VALUE

Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

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