1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: curl_easy_option_by_id 5Section: 3 6Source: libcurl 7See-also: 8 - curl_easy_option_by_name (3) 9 - curl_easy_option_next (3) 10 - curl_easy_setopt (3) 11Protocol: 12 - All 13--- 14 15# NAME 16 17curl_easy_option_by_id - find an easy setopt option by id 18 19# SYNOPSIS 20 21~~~c 22#include <curl/curl.h> 23 24const struct curl_easyoption *curl_easy_option_by_id(CURLoption id); 25~~~ 26 27# DESCRIPTION 28 29Given a *CURLoption* **id**, this function returns a pointer to the 30*curl_easyoption* struct, holding information about the 31curl_easy_setopt(3) option using that id. The option id is the CURLOPT_ 32prefix ones provided in the standard curl/curl.h header file. This function 33returns the non-alias version of the cases where there is an alias function as 34well. 35 36If libcurl has no option with the given id, this function returns NULL. 37 38# EXAMPLE 39 40~~~c 41int main(void) 42{ 43 const struct curl_easyoption *opt = curl_easy_option_by_id(CURLOPT_URL); 44 if(opt) { 45 printf("This option wants type %x\n", opt->type); 46 } 47} 48~~~ 49 50# AVAILABILITY 51 52This function was added in libcurl 7.73.0 53 54# RETURN VALUE 55 56A pointer to the *curl_easyoption* struct for the option or NULL. 57