struct sockaddr_in addr; lfd = socket(AF_INET, SOCK_STREAM, 0); if (lfd == -1) { perror ... port = htons(listen_port); addr.sin_family = AF_INET; if (bind(lfd, (struct sockaddr *) …LOCAL Synonym for AF_UNIX AF_INET IPv4 Internet protocols ip (7) AF_AX25 Amateur ... protocol families are PF_UNIX , PF_INET , and so on, while AF_UNIX , AF_INETstruct sockaddr_in addr; sockfd = socket(AF_INET, SOCK_DGRAM, 0); if (sockfd == -1) { perror ... socket()"); exit(EXIT_FAILURE); } addr.sin_family = AF_INET; addr.sin_addr.s_addr =…struct sockaddr_in addr; sockfd = socket(AF_INET, SOCK_DGRAM, 0); if (sockfd == -1) { perror ... socket()"); exit(EXIT_FAILURE); } addr.sin_family = AF_INET; addr.sin_addr.s_addr =…Section 7 for detailed information. For AF_INET , see ip (7); for AF_INET6