Application to use HTTP2 multiplexing with libcurl

gistfile1.txt

Pre-req:
https://serversforhackers.com/c/curl-with-http2-support

Code:libcurl-client-app.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* curl stuff */
#include <curl/curl.h>

int main(){
  //check nghttp2 supprt
  const curl_version_info_data *data = curl_version_info(CURLVERSION_NOW);
  if(data->features & CURL_VERSION_HTTP2){
    fprintf(stdout, "This libcurl DOES have HTTP2 support!\n");
  } else {
    fprintf(stdout, "This libcurl does NOT have HTTP/2 support!\n");
  }

  // Create multi handle with multiplex over a single connection
  CURLM *multi_handle = curl_multi_init();
  curl_multi_setopt(multi_handle, CURLMOPT_MAX_HOST_CONNECTIONS, (long) 1L);
  curl_multi_setopt(multi_handle, CURLMOPT_PIPELINING, CURLPIPE_HTTP1 | CURLPIPE_MULTIPLEX);

  // Add some requests
  int NUM_HANDLES = 3;
  CURL *easy[NUM_HANDLES];
  for(int i = 0; i < 3; i++){
    char url[1024];
    snprintf(url, 1024, "https://10.10.3.2/www-itec.uni-klu.ac.at/ftp/datasets/\
DASHDataset2014/BigBuckBunny/2sec/bunny_4219897bps/BigBuckBunny_2s144.m4s");
    //snprintf(url, 1024, "https://http2.akamai.com/demo");
    easy[i] = curl_easy_init();
    curl_easy_setopt(easy[i], CURLOPT_VERBOSE, 1L);
    curl_easy_setopt(easy[i], CURLOPT_URL, url);
    curl_easy_setopt(easy[i], CURLOPT_SSLCERTTYPE, "PEM");
    curl_easy_setopt(easy[i], CURLOPT_CAINFO, "cert.pem");
    curl_easy_setopt(easy[i], CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
    curl_easy_setopt(easy[i], CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
    curl_multi_add_handle(multi_handle, easy[i]);
  }

  //perform requests
  int still_running = 1;
  while(still_running){
    curl_multi_perform(multi_handle, &still_running);
  }

  //cleanups
  for(int i = 0; i < NUM_HANDLES; i++)
    curl_easy_cleanup(easy[i]);
  curl_multi_cleanup(multi_handle);
  exit(0);
}

Compilation:
gcc libcurl-client-app.c -o libcurl-client-app.o -std=c99 -lcurl
./libcurl-client-app.o