- if (sock == -1) {
- perror("socket");
- exit(1);
- }
- if (bind(sock, res->ai_addr, res->ai_addrlen) != 0) {
- perror("bind");
- exit(1);
- }
- int rc = fcntl(sock, F_GETFL, 0);
- if (rc < 0) {
- perror("F_GETFL");
- exit(1);
- }
+ if (sock == -1)
+ err(EXIT_FAILURE, "socket()");
+ if (bind(sock, res->ai_addr, res->ai_addrlen) != 0)
+ err(EXIT_FAILURE, "bind()");
+ rc = fcntl(sock, F_GETFL, 0);
+ if (rc < 0)
+ err(EXIT_FAILURE, "F_GETFL");