unix网络编程1章daytimetcpsrv.c服务器端

1 #include "unp.h"

2 #include <time.h>

3

4 int

5 main(int argc, char **argv)

6 {

7 int listenfd, connfd;

8 struct sockaddr_in servaddr;

9 char buff[MAXLINE];

10 time_t ticks;

11

12 listenfd = Socket(AF_INET, SOCK_STREAM, 0);

13

14 bzero(&servaddr, sizeof(servaddr));

15 servaddr.sin_family = AF_INET;

16 servaddr.sin_addr.s_addr = htonl(INADDR_ANY);

17 servaddr.sin_port = htons(13); /* daytime server */

18

19 Bind(listenfd, (SA *) &servaddr, sizeof(servaddr));

20

21 Listen(listenfd, LISTENQ);

22

23 for ( ; ; ) {

24 connfd = Accept(listenfd, (SA *) NULL, NULL);

25

26 ticks = time(NULL);

27 snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));

28 Write(connfd, buff, strlen(buff));

29

30 Close(connfd);

31 }

32 }