CURLOPT_RANDOM_FILE(3) Library Functions Manual CURLOPT_RANDOM_FILE(3) NAME CURLOPT_RANDOM_FILE - file to read random data from SYNOPSIS #include CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANDOM_FILE, char *path); DESCRIPTION Deprecated option. It serves no purpose anymore. DEFAULT NULL, not used DEPRECATED Deprecated since 7.84.0. AVAILABILITY Added in curl 7.7 RETURN VALUE curl_easy_setopt(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_EGDSOCKET(3) libcurl 2025-11-13 CURLOPT_RANDOM_FILE(3)