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CURLINFO_SCHEME(3) Library Functions Manual CURLINFO_SCHEME(3) NAME CURLINFO_SCHEME - URL scheme used in transfer SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SCHEME, char **scheme); DESCRIPTION Pass a pointer to a char pointer to receive the pointer to a null-ter- minated string holding the URL scheme used for the most recent transfer done with this CURL handle. The scheme might also sometimes be referred to as the protocol. The scheme pointer is NULL or points to private memory. You must not free it. The memory gets freed automatically when you call curl_easy_cleanup(3) on the corresponding curl handle. The returned scheme might be upper or lowercase. Do comparisons case insensitively. PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode result; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); result = curl_easy_perform(curl); if(result == 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); } } AVAILABILITY Added in curl 7.52.0 RETURN VALUE curl_easy_getinfo(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLINFO_EFFECTIVE_URL(3), CURLINFO_PROTOCOL(3), CURLINFO_RE- SPONSE_CODE(3), curl_easy_getinfo(3), curl_easy_setopt(3) libcurl 2026-06-11 CURLINFO_SCHEME(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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