Sortix nightly manual
This manual documents Sortix nightly, a development build that has not been officially released. You can instead view this document in the latest official manual.
curl_easy_option_by_id(3) | Library Functions Manual | curl_easy_option_by_id(3) |
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.
PROTOCOLS
This functionality affects all supported protocols
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
Added in curl 7.73.0
RETURN VALUE
A pointer to the curl_easyoption struct for the option or NULL.
SEE ALSO
curl_easy_option_by_name(3), curl_easy_option_next(3), curl_easy_setopt(3)
2025-10-07 | libcurl |