// echo4.java is like echo1.java, except everything is done with pointers

int main (int argc, char **argv) {
  char **p, *q;
  for (p = argv+1; *p != 0; p++) {
    for (q = *p; *q != '\0'; q++)
      putchar(*q);
    putchar(' ');
  }
  putchar('\n');
  return 0;
}