- if(bind(listen_fd,(struct sockaddr)&local_addr,sizeof(struct sockaddr))==-1) {
- printf("unable to bind on port %d.\n",atoi(argv[1]);
+ if(bind(listen_fd,&local_addr,sizeof(struct sockaddr))==-1) {
+ printf("unable to bind on port %d.\n",atoi(argv[1]));
+ perror("bind");