/* Can you explain why it's important for this program to check argc > 1? */

void printstring(char *x)
{
  while (*x)
    putchar(*x++);
}

int stringlength(char *x)
{
  char *y;

  for (y = x;*y;++y)
    ;
  return y - x;
}

int main(int argc,char **argv)
{
  int i;
  int shortest;

  if (argc > 1) {
    shortest = 1;
    for (i = 2;i < argc;++i)
      if (stringlength(argv[i]) < stringlength(argv[shortest]))
        shortest = i;
    printstring(argv[shortest]);
    printstring("\n");
  }

  return 0;
}