#include "unp.h" #include int main(int argc, char **argv) { int listenfd, connfd; socklen_t len, addrlen; char buff[MAXLINE]; time_t ticks; struct sockaddr_storage cliaddr; if (argc == 2) listenfd = Tcp_listen(NULL, argv[1], &addrlen); else if (argc == 3) listenfd = Tcp_listen(argv[1], argv[2], &addrlen); else err_quit("usage: daytimetcpsrv2 [ ] "); for ( ; ; ) { len = sizeof(cliaddr); connfd = Accept(listenfd, (SA *)&cliaddr, &len); printf("connection from %s\n", Sock_ntop((SA *)&cliaddr, len)); ticks = time(NULL); snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks)); Write(connfd, buff, strlen(buff)); Close(connfd); } }