curl_url_strerror - return string describing error code

Added in curl 7.80.0

This function returns a string describing the CURLUcode error code passed in the argument errornum.

int main(void) { CURLUcode rc; CURLU *url = curl_url(); rc = curl_url_set(url, CURLUPART_URL, "https://example.com", 0); if(rc) printf("URL error: %s\n", curl_url_strerror(rc)); curl_url_cleanup(url); }

curl_url_strerror - return string describing error code

This functionality affects all supported protocols

A pointer to a null-terminated string.

curl_easy_strerror(3), curl_multi_strerror(3), curl_share_strerror(3), curl_url_get(3), curl_url_set(3), libcurl-errors(3) libcurl 2025-06-16 curl_url_strerror(3)

#include <curl/curl.h> const char *curl_url_strerror(CURLUcode errornum);