C program to test curl URL normalization

testcurl.c

// cc test.c -lcurl -o testcurl && ./testcurl
#include <curl/curl.h>
#include <stdio.h>
int main() {
  CURLU *url = curl_url();
  CURLUcode rc = curl_url_set(
      url, CURLUPART_URL, "https://www.7‑Eleven.com/Home/Privacy/Montréal", 0);
  // Returns a CURLUcode error value, which is (0) if everything went fine.
  if (rc == 0) {
    char *buffer;
    // When asked to return the full URL, curl_url_get will return a
    // normalized and possibly cleaned up version of what was previously
    // parsed.
    rc = curl_url_get(url, CURLUPART_URL, &buffer, 0);
    printf("%s\n", buffer);
    if (rc == 0) {
      curl_free(buffer);
    }
  }
}