/* ISC license. */ #include #include #include #include #include #include int socket_local4 (int s, char *ip, uint16_t *port) { struct sockaddr_in sa ; socklen_t dummy = sizeof sa ; if (getsockname(s, (struct sockaddr *)&sa, &dummy) == -1) return -1 ; memcpy(ip, &sa.sin_addr.s_addr, 4) ; *port = uint16_big(sa.sin_port) ; return 0 ; }