QUERY_STRING='This is my query string'

#include <stdio.h>
#include <stdlib.h>

void main (int argc, char *argv[])
{
      printf("%sn", getenv("QUERY_STRING"));
}

mantis@toboggan /testing/cgi_download/temp $ echo $QUERY_STRING; ./a.out
This is my query string.
Segmentation fault
mantis@toboggan /testing/cgi_download/temp $

Linux toboggan 3.18.7+ #755 PREEMPT Thu Feb 12 17:14:31 GMT 2015 armv6l GNU/Linux