.\" generated by cd2nroff 0.1 from CURLINFO_SCHEME.md .TH CURLINFO_SCHEME 3 "April 26 2024" libcurl .SH NAME CURLINFO_SCHEME \- get the URL scheme (sometimes called protocol) used in the connection .SH SYNOPSIS .nf #include CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SCHEME, char **scheme); .fi .SH DESCRIPTION Pass a pointer to a char pointer to receive the pointer to a null\-terminated string holding the URL scheme used for the most recent connection done with this CURL \fBhandle\fP. The \fBscheme\fP pointer is NULL or points to private memory. You MUST NOT free \- it gets freed when you call \fIcurl_easy_cleanup(3)\fP on the corresponding CURL handle. .SH PROTOCOLS All .SH EXAMPLE .nf 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) { char *scheme = NULL; curl_easy_getinfo(curl, CURLINFO_SCHEME, &scheme); if(scheme) printf("scheme: %s\\n", scheme); /* scheme: HTTP */ } curl_easy_cleanup(curl); } } .fi .SH AVAILABILITY Added in 7.52.0 .SH RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. .SH SEE ALSO .BR CURLINFO_EFFECTIVE_URL (3), .BR CURLINFO_PROTOCOL (3), .BR CURLINFO_RESPONSE_CODE (3), .BR curl_easy_getinfo (3), .BR curl_easy_setopt (3)