6ecfb1da44
it should have been to start with. The implications of that are not pleasant when combined with >> as it breaks on multiples of NFDBITS. Right shifting of a signed value fills with a copy of the sign bit, not a zero. Reported by: bde
217 lines
6.7 KiB
C
217 lines
6.7 KiB
C
/*-
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* Copyright (c) 1982, 1986, 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)types.h 8.6 (Berkeley) 2/19/95
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* $FreeBSD$
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*/
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#ifndef _SYS_TYPES_H_
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#define _SYS_TYPES_H_
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#include <sys/cdefs.h>
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/* Machine type dependent parameters. */
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#include <sys/inttypes.h> /* includes <machine/ansi.h> */
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#include <machine/types.h>
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#ifndef _POSIX_SOURCE
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typedef unsigned char u_char;
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typedef unsigned short u_short;
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typedef unsigned int u_int;
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typedef unsigned long u_long;
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typedef unsigned short ushort; /* Sys V compatibility */
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typedef unsigned int uint; /* Sys V compatibility */
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#endif
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typedef __uint8_t u_int8_t;
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typedef __uint16_t u_int16_t;
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typedef __uint32_t u_int32_t;
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typedef __uint64_t u_int64_t;
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typedef u_int64_t u_quad_t; /* quads */
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typedef int64_t quad_t;
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typedef quad_t * qaddr_t;
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typedef char * caddr_t; /* core address */
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typedef __const char * c_caddr_t; /* core address, pointer to const */
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typedef __volatile char *v_caddr_t; /* core address, pointer to volatile */
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typedef int32_t daddr_t; /* disk address */
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typedef u_int32_t u_daddr_t; /* unsigned disk address */
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typedef u_int32_t fixpt_t; /* fixed point number */
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typedef u_int32_t gid_t; /* group id */
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typedef u_int32_t ino_t; /* inode number */
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typedef long key_t; /* IPC key (for Sys V IPC) */
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typedef u_int16_t mode_t; /* permissions */
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typedef u_int16_t nlink_t; /* link count */
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typedef _BSD_OFF_T_ off_t; /* file offset */
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typedef _BSD_PID_T_ pid_t; /* process id */
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typedef quad_t rlim_t; /* resource limit */
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#ifdef __alpha__ /* XXX should be in <machine/types.h> */
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typedef int64_t segsz_t; /* segment size */
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#else
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typedef int32_t segsz_t; /* segment size */
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#endif
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typedef int32_t swblk_t; /* swap offset */
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typedef int32_t ufs_daddr_t;
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typedef u_int32_t uid_t; /* user id */
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#ifdef _KERNEL
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typedef int boolean_t;
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typedef u_int64_t uoff_t;
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typedef struct vm_page *vm_page_t;
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#endif
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#ifdef _KERNEL
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struct specinfo;
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typedef u_int32_t udev_t; /* device number */
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typedef struct specinfo *dev_t;
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#else /* !_KERNEL */
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typedef u_int32_t dev_t; /* device number */
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#define udev_t dev_t
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#ifndef _POSIX_SOURCE
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/*
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* minor() gives a cookie instead of an index since we don't want to
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* change the meanings of bits 0-15 or waste time and space shifting
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* bits 16-31 for devices that don't use them.
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*/
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#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
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#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */
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#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */
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#endif /* _POSIX_SOURCE */
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#endif /* !_KERNEL */
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#include <machine/endian.h>
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#ifdef _BSD_CLOCK_T_
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typedef _BSD_CLOCK_T_ clock_t;
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#undef _BSD_CLOCK_T_
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#endif
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#ifdef _BSD_CLOCKID_T_
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typedef _BSD_CLOCKID_T_ clockid_t;
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#undef _BSD_CLOCKID_T_
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#endif
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#ifdef _BSD_SIZE_T_
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typedef _BSD_SIZE_T_ size_t;
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#undef _BSD_SIZE_T_
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#endif
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#ifdef _BSD_SSIZE_T_
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typedef _BSD_SSIZE_T_ ssize_t;
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#undef _BSD_SSIZE_T_
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#endif
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#ifdef _BSD_TIME_T_
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typedef _BSD_TIME_T_ time_t;
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#undef _BSD_TIME_T_
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#endif
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#ifdef _BSD_TIMER_T_
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typedef _BSD_TIMER_T_ timer_t;
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#undef _BSD_TIMER_T_
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#endif
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#ifndef _POSIX_SOURCE
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#define NBBY 8 /* number of bits in a byte */
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/*
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* Select uses bit masks of file descriptors in longs. These macros
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* manipulate such bit fields (the filesystem macros use chars).
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* FD_SETSIZE may be defined by the user, but the default here should
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* be enough for most uses.
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*/
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#ifndef FD_SETSIZE
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#define FD_SETSIZE 1024
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#endif
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typedef unsigned long fd_mask;
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#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
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#ifndef howmany
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#define howmany(x, y) (((x) + ((y) - 1)) / (y))
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#endif
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typedef struct fd_set {
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fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
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} fd_set;
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#define _fdset_mask(n) ((fd_mask)1 << ((n) % NFDBITS))
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#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= _fdset_mask(n))
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#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~_fdset_mask(n))
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#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & _fdset_mask(n))
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#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f)))
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#define FD_ZERO(p) bzero(p, sizeof(*(p)))
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/*
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* These declarations belong elsewhere, but are repeated here and in
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* <stdio.h> to give broken programs a better chance of working with
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* 64-bit off_t's.
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*/
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#ifndef _KERNEL
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__BEGIN_DECLS
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#ifndef _FTRUNCATE_DECLARED
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#define _FTRUNCATE_DECLARED
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int ftruncate __P((int, off_t));
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#endif
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#ifndef _LSEEK_DECLARED
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#define _LSEEK_DECLARED
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off_t lseek __P((int, off_t, int));
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#endif
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#ifndef _MMAP_DECLARED
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#define _MMAP_DECLARED
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void * mmap __P((void *, size_t, int, int, int, off_t));
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#endif
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#ifndef _TRUNCATE_DECLARED
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#define _TRUNCATE_DECLARED
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int truncate __P((const char *, off_t));
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#endif
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_POSIX_SOURCE */
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#endif /* !_SYS_TYPES_H_ */
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