NAME

       CURLINFO_OS_ERRNO - get errno number from last connect failure

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_OS_ERRNO, long *errnop);

DESCRIPTION

       Pass  a pointer to a long to receive the errno variable from a connect failure.  Note that
       the value is only set on failure, it is not reset upon a successful operation. The  number
       is OS and system specific.

PROTOCOLS

       All

EXAMPLE

       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           CURLcode res;
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
           res = curl_easy_perform(curl);
           if(res != CURLE_OK) {
             long error;
             res = curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &error);
             if(res && error) {
               printf("Errno: %ld\n", error);
             }
           }
           curl_easy_cleanup(curl);
         }
       }

AVAILABILITY

       Added in 7.12.2

RETURN VALUE

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

SEE ALSO

       curl_easy_getinfo(3), curl_easy_setopt(3)