create_socket
sock = create_socket();
int udp = create_socket("127.0.0.1", port, SOCK_DGRAM, UDP, 1, &addr);
tcp = create_socket("127.0.0.1", port, SOCK_STREAM, TCP, 1, &remote);
static int create_socket(const char *, const char *, int, int, time_t, struct sockaddr_storage *);