if((fd = listensock4(port)) < 0) {
if(errno != EADDRINUSE) {
flog(LOG_ERR, "could not listen on IPv4 (port %i): %s", port, strerror(errno));
if((fd = listensock4(port)) < 0) {
if(errno != EADDRINUSE) {
flog(LOG_ERR, "could not listen on IPv4 (port %i): %s", port, strerror(errno));