void receive_argument(int control_channel_fd, char *source) {
int received;
received=recv(control_channel_fd, source, arg_length, 0);
if (received<arg_length) {
void receive_argument(int control_channel_fd, char *source) {
int received;
received=recv(control_channel_fd, source, arg_length, 0);
if (received<arg_length) {