pn_sock_get_port 53 include/net/phonet/phonet.h int pn_sock_get_port(struct sock *sk, unsigned short sport); pn_sock_get_port 177 net/phonet/datagram.c .get_port = pn_sock_get_port, pn_sock_get_port 1049 net/phonet/pep.c .get_port = pn_sock_get_port,