#include "unp.h" int sock_get_port(const struct sockaddr *sa, socklen_t salen) { switch (sa->sa_family) { case AF_INET: { struct sockaddr_in *sin = (struct sockaddr_in *) sa; return(sin->sin_port); } #ifdef IPV6 case AF_INET6: { struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) sa; return(sin6->sin6_port); } #endif } return(-1); /* ??? */ }