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Daniel Stenberg e3fe020089

docs/libcurl: generate PROTOCOLS from meta-data

Remove the PROTOCOLS section from the source files completely and
instead generate them based on the header data in the curldown files.

It also generates TLS backend information for options marked for TLS as
protocol.

Closes #13175

2024-03-23 18:13:03 +01:00

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SPDX-License-Identifier

Title

Section

Source

See-also

Protocol

curl

curl_easy_option_by_id

libcurl

curl_easy_option_by_name (3)

curl_easy_option_next (3)

curl_easy_setopt (3)

All

NAME

curl_easy_option_by_id - find an easy setopt option by id

SYNOPSIS

#include <curl/curl.h>

const struct curl_easyoption *curl_easy_option_by_id(CURLoption id);

DESCRIPTION

Given a CURLoption id, this function returns a pointer to the curl_easyoption struct, holding information about the curl_easy_setopt(3) option using that id. The option id is the CURLOPT_ prefix ones provided in the standard curl/curl.h header file. This function returns the non-alias version of the cases where there is an alias function as well.

If libcurl has no option with the given id, this function returns NULL.

EXAMPLE

int main(void)
{
  const struct curl_easyoption *opt = curl_easy_option_by_id(CURLOPT_URL);
  if(opt) {
    printf("This option wants type %x\n", opt->type);
  }
}

AVAILABILITY

This function was added in libcurl 7.73.0

RETURN VALUE

A pointer to the curl_easyoption struct for the option or NULL.

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