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#include <stdlib.h>
#include <stdio.h>
#include "curl/curl.h"

int main( int argc, char *argv[] ){
   CURL *curl;
   char *escaped;

   if( argc < 2 ){
      fprintf(stderr, "usage: %s url\n", argv[0] );
      return EXIT_FAILURE;
   }
   if( !(curl = curl_easy_init()) ){
      fprintf(stderr, "failed to init curl\n");
      return EXIT_FAILURE;
   }
   escaped = curl_easy_escape( curl, argv[1], 0 );
   curl_free( curl );

   if( !escaped ){
      fprintf(stderr, "failed to escape\n");
      return EXIT_FAILURE;
   }
   printf("%s\n", escaped );
   free( escaped );
   return EXIT_SUCCESS;
}