void str_cli(FILE *fp, int sockfd)

{

    pid_t    pid;

    char     sendline[MAXLINE], recvline[MAXLINE];

    if ( (pid = fork()) == ) {      /* child: server -> stdout */

        while (read(sockfd, recvline, MAXLINE) > )

            fputs(recvline, stdout);

        kill(getppid(), SIGTERM);    /* in case parent still running */

        exit();

    }

    /* parent: stdin -> server */

    while (fgets(sendline, MAXLINE, fp) != NULL)

        writen(sockfd, sendline, strlen(sendline));

    shutdown(sockfd, SHUT_WR);       /* EOF on stdin, send FIN */

    pause();

    return;

}