#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>

int main(int argc, char **argv, char **env)
{
 if (argc > 1 ) {
  pid_t pid=fork();
  if (pid==0) {
   char **child_argv = &argv[1];
   printf("%s\n", child_argv[0]);
   execv(child_argv[0], child_argv);
   exit(127); /* only if execv fails */
                                        }
  else 
   waitpid(pid,0,0);
  
 }
 return 0;
}