DOKK / manpages / debian 12 / libcurl4-doc / CURLINFO_HTTP_CONNECTCODE.3.en
CURLINFO_HTTP_CONNECTCODE(3) curl_easy_getinfo options CURLINFO_HTTP_CONNECTCODE(3)

CURLINFO_HTTP_CONNECTCODE - get the CONNECT response code

#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_HTTP_CONNECTCODE, long *p);

Pass a pointer to a long to receive the last received HTTP proxy response code to a CONNECT request. The returned value will be zero if no such response code was available.

HTTP

CURL *curl = curl_easy_init();
if(curl) {

CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
/* typically CONNECT is used to do HTTPS over HTTP proxies */
curl_easy_setopt(curl, CURLOPT_PROXY, "http://127.0.0.1");
res = curl_easy_perform(curl);
if(res == CURLE_OK) {
long code;
res = curl_easy_getinfo(curl, CURLINFO_HTTP_CONNECTCODE, &code);
if(!res && code)
printf("The CONNECT response code: %03ld\n", code);
}
curl_easy_cleanup(curl); }

Added in 7.10.7

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

CURLINFO_RESPONSE_CODE(3), curl_easy_getinfo(3), curl_easy_setopt(3),

January 2, 2023 libcurl 7.88.1