int main (int argc, char *argv[], char *env[])
{
   int count;

   puts ("Commandline:");

   for (count = 0; count < argc; count++)
      printf ("%d: %s\n", count, argv[count]);

   puts ("\nEnvironment:");

   for (count = 0; env[count]; count++)
      printf ("%d: %s\n", count, env[count]);

   putenv ("PATH=");

   puts ("\nEnvironment after a setenv (\"PATH=\");:");

   for (count = 0; env[count]; count++)
      printf ("%d: %s\n", count, env[count]);

   return 0;
}