Cirrus Logic CS485 Manual de usuario descargar pdf (Pagina 49)

CS485G Spring 2015 49

9. Sample client for ”echo”

1 int client(int argc, char

argv) {

2 int toserverfd, port;

3 char

host, buf[MAXLINE];

4 rio_t rio;

5 if (argc != 3) {

6 fprintf(stderr, "Usage: %s host port\n", argv[0]);

7 exit(1);

8 }

9 host = argv[1]; port = atoi(argv[2]);

10 toserverfd = open_clientfd(host, port);

11 Rio_readinitb(&rio, toserverfd);

12 printf("type: "); fflush(stdout);

13 while (Fgets(buf, MAXLINE, stdin) != NULL) {

14 Rio_writen(toserverfd, buf, strlen(buf));

15 Rio_readlineb(&rio, buf, MAXLINE);

16 printf("echo: ");

17 Fputs(buf, stdout);

18 printf("type: "); fflush(stdout);

19 }

20 Close(toserverfd);

21 exit(0);

22 } // client

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Cirrus Logic CS485 Manual de usuario Pagina 49