1.\" $NetBSD: types.5,v 1.3 1994/11/30 19:31:34 jtc Exp $ 2.\" 3.\" Copyright (c) 1980, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)types.5 8.1 (Berkeley) 6/5/93 35.\" 36.Dd May 15, 2008 37.Dt TYPES 5 38.Os Darwin 39.Sh NAME 40.Nm types 41.Nd system data types 42.Sh SYNOPSIS 43.Fd #include <sys/types.h> 44.Sh DESCRIPTION 45The file 46.Pa sys/types.h 47contains the defined data types used in the kernel (most are 48used through out the system). 49.Bd -literal 50#ifndef _TYPES_H_ 51#define _TYPES_H_ 52 53typedef short dev_t; 54#ifndef _POSIX_SOURCE 55 /* major part of a device */ 56#define major(x) ((int)(((unsigned)(x)>>8)&0377)) 57 /* minor part of a device */ 58#define minor(x) ((int)((x)&0377)) 59 /* make a device number */ 60#define makedev(x,y) ((dev_t)(((x)<<8) | (y))) 61#endif 62 63typedef unsigned char u_char; 64typedef unsigned short u_short; 65typedef unsigned int u_int; 66typedef unsigned long u_long; 67typedef unsigned short ushort; /* Sys V compatibility */ 68 69#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) 70#include <machine/types.h> 71#endif 72 73#ifdef _CLOCK_T_ 74typedef _CLOCK_T_ clock_t; 75#undef _CLOCK_T_ 76#endif 77 78#ifdef _SIZE_T_ 79typedef _SIZE_T_ size_t; 80#undef _SIZE_T_ 81#endif 82 83#ifdef _TIME_T_ 84typedef _TIME_T_ time_t; 85#undef _TIME_T_ 86#endif 87 88typedef u_int64_t u_quad_t; 89typedef int64_t quad_t 90typedef quad_t * qaddr_t; /* should be typedef quad * qaddr_t; */ 91 92typedef long daddr_t; 93typedef char * caddr_t; 94#ifdef _DARWIN_FEATURE_64_BIT_INODE 95typedef u_int64_t ino_t; 96#else /* !_DARWIN_FEATURE_64_BIT_INODE */ 97typedef u_int ino_t; 98#endif /* _DARWIN_FEATURE_64_BIT_INODE */ 99typedef long swblk_t; 100typedef long segsz_t; 101typedef int64_t off_t; 102typedef u_int uid_t; 103typedef u_int gid_t; 104typedef int pid_t; 105typedef u_short nlink_t; 106typedef u_short mode_t; 107typedef u_long fixpt_t; 108 109#ifndef _POSIX_SOURCE 110#define NBBY 8 /* number of bits in a byte */ 111 112/* 113 * Select uses bit masks of file descriptors in longs. These macros 114 * manipulate such bit fields (the filesystem macros use chars). 115 * FD_SETSIZE may be defined by the user, but the default here should 116 * be >= NOFILE (param.h). 117 */ 118#ifndef FD_SETSIZE 119#define FD_SETSIZE 1024 120#endif 121 122typedef long fd_mask; 123#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 124 125#ifndef howmany 126#define howmany(x, y) (((x)+((y)-1))/(y)) 127#endif 128 129typedef struct fd_set { 130 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 131} fd_set; 132 133#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) 134#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) 135#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) 136#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 137#define FD_ZERO(p) bzero((char *)(p), sizeof(*(p))) 138 139#endif /* !_POSIX_SOURCE */ 140#endif /* !_TYPES_H_ */ 141.Ed 142.Sh SEE ALSO 143.Xr adb 1 , 144.Xr lseek 2 , 145.Xr time 3 , 146.Xr fs 5 147.Sh HISTORY 148A 149.Nm 150file appeared in 151.At v7 . 152