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CURLINFO_SCHEME(3) Library Functions Manual CURLINFO_SCHEME(3) NAME CURLINFO_SCHEME - get the URL scheme (sometimes called protocol) used in the connection 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 connec- tion done with this CURL handle. The scheme pointer is NULL or points to private memory. You MUST NOT free - it gets freed when you call curl_easy_cleanup(3) on the corre- sponding 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 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); } } 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 2025-06-03 CURLINFO_SCHEME(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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