#include "unp.h"## 1 ##src/intro/daytimetcpsrv.c## #include ## 2 ##src/intro/daytimetcpsrv.c## int## 3 ##src/intro/daytimetcpsrv.c## main(int argc, char **argv)## 4 ##src/intro/daytimetcpsrv.c## {## 5 ##src/intro/daytimetcpsrv.c## int listenfd, connfd;## 6 ##src/intro/daytimetcpsrv.c## struct sockaddr_in servaddr;## 7 ##src/intro/daytimetcpsrv.c## char buff[MAXLINE];## 8 ##src/intro/daytimetcpsrv.c## time_t ticks;## 9 ##src/intro/daytimetcpsrv.c## listenfd = Socket(AF_INET, SOCK_STREAM, 0);## 10 ##src/intro/daytimetcpsrv.c## bzero(&servaddr, sizeof(servaddr));## 11 ##src/intro/daytimetcpsrv.c## servaddr.sin_family = AF_INET;## 12 ##src/intro/daytimetcpsrv.c## servaddr.sin_addr.s_addr = htonl(INADDR_ANY);## 13 ##src/intro/daytimetcpsrv.c## servaddr.sin_port = htons(13); /* daytime server */## 14 ##src/intro/daytimetcpsrv.c## Bind(listenfd, (SA *) &servaddr, sizeof(servaddr));## 15 ##src/intro/daytimetcpsrv.c## Listen(listenfd, LISTENQ);## 16 ##src/intro/daytimetcpsrv.c## for (;;) {## 17 ##src/intro/daytimetcpsrv.c## connfd = Accept(listenfd, (SA *) NULL, NULL);## 18 ##src/intro/daytimetcpsrv.c## ticks = time(NULL);## 19 ##src/intro/daytimetcpsrv.c## snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));## 20 ##src/intro/daytimetcpsrv.c## Write(connfd, buff, strlen(buff));## 21 ##src/intro/daytimetcpsrv.c## Close(connfd);## 22 ##src/intro/daytimetcpsrv.c## }## 23 ##src/intro/daytimetcpsrv.c## }## 24 ##src/intro/daytimetcpsrv.c##