An example read/write client

The following code represents the connection-mode read/write client program described in ``A read/write interface''. This client establishes a transport connection with a server and then uses cat(C) to retrieve the data sent by the server and write it to its standard output. This client will communicate with the connection-mode servers presented in ``An example connection-mode server''.

   #include <stdio.h>
   #include <xti.h>
   #include <fcntl.h>
   #include <stropts.h>
   

   #define SRV_ADDR	1	/* server's well known address */
   

   main()
   {
   	int fd;
   	struct t_call *sndcall;
   

   	if ((fd = t_open("/dev/ticots", O_RDWR, NULL)) < 0) {
   		t_error("t_open failed");
   		exit(1);
   	}
   

   	if (t_bind(fd, NULL, NULL) < 0) {
   		t_error("t_bind failed");
   		exit(2);
   	}
   

   	/*
   	 * By assuming that the address is an integer value,
   	 * this program may not run over another protocol.
   	 */
   

   	if ((sndcall = (struct t_call *)t_alloc(fd,
   	  T_CALL, T_ADDR)) == NULL) {
   		t_error("t_alloc failed");
   		exit(3);
   	}
   

   	sndcall->addr.len = sizeof(int);
   	*(int *)sndcall->addr.buf = SRV_ADDR;
   

   	if (t_connect(fd, sndcall, NULL) < 0) {
   		t_error("t_connect failed for fd");
   		exit(4);
   	}
   	if (ioctl(fd, I_PUSH, "tirdwr") < 0) {
   		perror("I_PUSH of tirdwr failed");
   		exit(5);
   	}
   

   	close(0);
   	dup(fd);
   

   	execl("/usr/bin/cat", "/usr/bin/cat", 0);
   

   	perror("execl of /usr/bin/cat failed");
   	exit(6);
   }