1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* "Hello world" program for GNU C Library on bare Mach 3.0.
Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <mach.h>
#include <device/device.h>
#include <errno.h>
#include <stdio.h>
int
main (void)
{
kern_return_t err;
mach_port_t device, consdev;
FILE *consf;
err = get_privileged_ports (NULL, &device);
if (err)
_exit (err);
err = device_open (device, D_WRITE, "console", &consdev);
mach_port_deallocate (mach_task_self (), device);
if (err)
_exit (err);
consf = mach_open_devstream (consdev, "w");
if (consf == NULL)
exit (errno);
fputs ("Hello, world!\n", consf);
return 0;
}
|
