HP UX 11i v2 Networking Software manual 158

Sample Programs

Connectionless Mode

if(err_ack->dl_primitive == DL_ERROR_ACK) { /* yup; format the ERROR_ACK info */ printf(”error: expected primitive 0x%02x, ”,

ex_prim);

printf(”got DL_ERROR_ACK\n”);

printf(” dl_error_primitive = 0x%02x\n”, err_ack->dl_error_primitive);

printf(” dl_errno = 0x%02x\n”, err_ack->dl_errno);

printf(” dl_unix_errno = %d\n”, err_ack->dl_unix_errno);

exit(1);

} else {

/*

didn't get an ERROR_ACK either; print whatever primitive we did get

*/

printf(”error: expected primitive 0x%02x, ”, ex_prim);

printf(”got primitive 0x%02x\n”, err_ack->dl_primitive);

exit(1);

}

} else {

/* no control; did we get data? */ if(data_buf.len) {

/* tell user we only got data */

printf(”error: check_ctrl found only data\n”); exit(1);

}else {

/*

no message???; well, it was probably an interrupted system call

*/

printf(”error: check_ctrl found no message\n”); exit(1);

}

}

}

}

/************************************************************************** put a message consisting of only a data part on a stream

**************************************************************************/

void
put_data(fd, length)
int	fd;	/* file descriptor */
int	length;	/* length of data message */

158 Appendix A