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CURLINFO_REFERER(3) Library Functions Manual CURLINFO_REFERER(3) NAME CURLINFO_REFERER - get the used referrer request header SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_REFERER, char **hdrp); DESCRIPTION Pass in a pointer to a char pointer and get the referrer header used in the most recent request. The hdrp pointer is NULL or points to private memory you MUST NOT free - it gets freed when you call curl_easy_cleanup(3) on the corresponding curl handle. PROTOCOLS This functionality affects http only EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.org/referrer"); res = curl_easy_perform(curl); if(res == CURLE_OK) { char *hdr = NULL; curl_easy_getinfo(curl, CURLINFO_REFERER, &hdr); if(hdr) printf("Referrer header: %s\n", hdr); } curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.76.0 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 CURLOPT_REFERER(3), curl_easy_getinfo(3), curl_easy_header(3), curl_easy_setopt(3) libcurl 2025-06-03 CURLINFO_REFERER(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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