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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* Copyright (C) 1991, 1992, 1994 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#ifndef _GNU_TYPES_H
#define _GNU_TYPES_H 1
/* Convenience types. */
typedef unsigned char __u_char;
typedef unsigned short __u_short;
typedef unsigned int __u_int;
typedef unsigned long __u_long;
#ifdef __GNUC__
typedef unsigned long long int __u_quad_t;
typedef long long int __quad_t;
typedef __quad_t *__qaddr_t;
#else
typedef struct
{
long val[2];
} __quad_t;
typedef struct
{
__u_long val[2];
} __u_quad_t;
#endif
typedef int __dev_t; /* Type of device numbers. */
typedef unsigned int __uid_t; /* Type of user identifications. */
typedef unsigned int __gid_t; /* Type of group identifications. */
typedef unsigned int __ino_t; /* Type of file serial numbers. */
typedef unsigned int __mode_t; /* Type of file attribute bitmasks. */
typedef unsigned short int __nlink_t; /* Type of file link counts. */
typedef long int __off_t; /* Type of file sizes and offsets. */
typedef int __pid_t; /* Type of process identifications. */
typedef int __ssize_t; /* Type of a byte count, or error. */
typedef __u_quad_t __fsid_t; /* Type of file system IDs. */
/* Everythin' else. */
typedef long int __daddr_t; /* The type of a disk address. */
typedef char *__caddr_t;
typedef long int __time_t;
typedef long int __swblk_t; /* Type of a swap block maybe? */
/* fd_set for select. */
/* Number of descriptors that can fit in an `fd_set'. */
#define __FD_SETSIZE 256
/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */
#define __NFDBITS (sizeof (unsigned long int) * 8)
#define __FDELT(d) ((d) / __NFDBITS)
#define __FDMASK(d) (1 << ((d) % __NFDBITS))
typedef struct
{
/* Some braindead old software uses this member name. */
unsigned long int fds_bits[(__FD_SETSIZE + (__NFDBITS - 1)) / __NFDBITS];
} __fd_set;
/* This line MUST be split! Otherwise m4 will not change it. */
#define __FD_ZERO(set) \
((void) memset ((__ptr_t) (set), 0, sizeof (fd_set)))
#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
#endif /* gnu/types.h */
|