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- .\" generated by cd2nroff 0.1 from CURLINFO_SCHEME.md
- .TH CURLINFO_SCHEME 3 "2025-01-17" libcurl
- .SH NAME
- CURLINFO_SCHEME \- get the URL scheme (sometimes called protocol) used in the connection
- .SH SYNOPSIS
- .nf
- #include <curl/curl.h>
- 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.
- The returned scheme might be upper or lowercase. Do comparisons case
- insensitively.
- .SH PROTOCOLS
- This functionality affects all supported protocols
- .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 curl 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)
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