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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
1c79356b 11 *
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12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
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19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * Copyright (c) 1987 NeXT, Inc.
24 */
25
26struct consdev {
27 char *cn_name; /* name of device in dev_name_list */
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28 int (*cn_probe)(void); /* probe and fill in consdev info */
29 int (*cn_init)(void); /* turn on as console */
30 int (*cn_getc)(void); /* kernel getchar interface */
31 int (*cn_putc)(void); /* kernel putchar interface */
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32 struct tty *cn_tp; /* tty structure for console device */
33 dev_t cn_dev; /* major/minor of device */
34 short cn_pri; /* pecking order; the higher the better */
35};
36
37/* values for cn_pri - reflect our policy for console selection */
38#define CN_DEAD 0 /* device doesn't exist */
39#define CN_NORMAL 1 /* device exists but is nothing special */
40#define CN_INTERNAL 2 /* "internal" bit-mapped display */
41#define CN_REMOTE 3 /* serial interface with remote bit set */
42
43/* XXX */
44#define CONSMAJOR 0
45
46#ifdef KERNEL
47
48#include <sys/types.h>
49
50extern struct consdev constab[];
51extern struct consdev *cn_tab;
52extern struct tty *cn_tty;
53
54extern struct tty cons;
55extern struct tty *constty; /* current console device */
56#endif
57