fputs ("\n", stdout);
putchar_unlocked ('\n');
print_protocols (struct protoent *proto){  unsigned int i;  fputs (proto->p_name, stdout);  for (i = strlen (proto->p_name); i < 21; ++i)    fputs (" ", stdout);  printf (" %d", proto->p_proto);  i = 0;  while (proto->p_aliases[i] != NULL)    {      fputs (" ", stdout);      fputs (proto->p_aliases[i], stdout);      ++i;    }  fputs ("\n", stdout);}