(void) write(s, num, strlen(num)+1);
{ int len = sizeof (from);
s3 = accept(s2, &from, &len, 0);
close(s2);
if (s3 < 0) {
perror("accept");
(void) write(s, num, strlen(num)+1);
{ int len = sizeof (from);
s3 = accept(s2, &from, &len, 0);
close(s2);
if (s3 < 0) {
perror("accept");