mirror of https://github.com/curl/curl.git synced 2025-01-12 13:55:11 +08:00

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

1.7 KiB

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SPDX-License-Identifier

Title

Section

Source

See-also

curl

curl_multi_get_handles

libcurl

curl_multi_add_handle (3)

curl_multi_cleanup (3)

curl_multi_init (3)

curl_multi_remove_handle (3)

NAME

curl_multi_get_handles - returns all added easy handles

SYNOPSIS

#include <curl/curl.h>

CURL **curl_multi_get_handles(CURLM *multi_handle);

DESCRIPTION

Returns an array with pointers to all added easy handles. The end of the list is marked with a NULL pointer.

Even if there is not a single easy handle added, this still returns an array but with only a single NULL pointer entry.

The returned array contains all the handles that are present at the time of the call. As soon as a handle has been removed from or a handle has been added to the multi handle after the handle array was returned, the two data points are out of sync.

The order of the easy handles within the array is not guaranteed.

The returned array must be freed with a call to curl_free(3) after use.

EXAMPLE

int main(void)
{
  /* init a multi stack */
  CURLM *multi = curl_multi_init();
  CURL *curl = curl_easy_init();

  if(curl) {
    /* add the transfer */
    curl_multi_add_handle(multi, curl);

    /* extract all added handles */
    CURL **list = curl_multi_get_handles(multi);

    if(list) {
      int i;
      /* remove all added handles */
      for(i = 0; list[i]; i++) {
        curl_multi_remove_handle(multi, list[i]);
      }
      curl_free(list);
    }
  }
}

AVAILABILITY

Added in 8.4.0

RETURN VALUE

Returns NULL on failure. Otherwise it returns a pointer to an allocated array.

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