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--- /dev/null
+++ Libc/Libc-391.4.2/include/unistd.h
@@ -0,0 +1,585 @@
+/*
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*-
+ * Copyright (c) 1998-1999 Apple Computer, Inc. All Rights Reserved
+ * Copyright (c) 1991, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)unistd.h 8.12 (Berkeley) 4/27/95
+ *
+ * Copyright (c) 1998 Apple Compter, Inc.
+ * All Rights Reserved
+ */
+
+/* History:
+ 7/14/99 EKN at Apple fixed getdirentriesattr from getdirentryattr
+ 3/26/98 CHW at Apple added real interface to searchfs call
+ 3/5/98 CHW at Apple added hfs semantic system calls headers
+*/
+
+#ifndef _UNISTD_H_
+#define _UNISTD_H_
+
+#include <_types.h>
+
+#include <sys/cdefs.h>
+#include <sys/unistd.h>
+
+#ifndef _GID_T
+#define _GID_T
+typedef __darwin_gid_t gid_t;
+#endif
+
+#ifndef _INTPTR_T
+#define _INTPTR_T
+typedef __darwin_intptr_t intptr_t;
+#endif
+
+#ifndef _OFF_T
+#define _OFF_T
+typedef __darwin_off_t off_t;
+#endif
+
+#ifndef _PID_T
+#define _PID_T
+typedef __darwin_pid_t pid_t;
+#endif
+
+#ifndef _SIZE_T
+#define _SIZE_T
+/* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
+ * _GCC_SIZE_T */
+typedef __darwin_size_t size_t;
+#endif
+
+#ifndef _SSIZE_T
+#define _SSIZE_T
+typedef __darwin_ssize_t ssize_t;
+#endif
+
+#ifndef _UID_T
+#define _UID_T
+typedef __darwin_uid_t uid_t; /* user id */
+#endif
+
+#ifndef _USECONDS_T
+#define _USECONDS_T
+typedef __darwin_useconds_t useconds_t;
+#endif
+
+#ifndef _POSIX_C_SOURCE
+#ifndef _UUID_T
+#define _UUID_T
+typedef __darwin_uuid_t uuid_t;
+#endif /* _UUID_T */
+#endif /* _POSIX_C_SOURCE */
+
+#define STDIN_FILENO 0 /* standard input file descriptor */
+#define STDOUT_FILENO 1 /* standard output file descriptor */
+#define STDERR_FILENO 2 /* standard error file descriptor */
+
+#ifndef NULL
+#define NULL __DARWIN_NULL
+#endif /* ! NULL */
+
+/* Version test macros */
+/* _POSIX_VERSION and _POSIX2_VERSION from sys/unistd.h */
+#define _XOPEN_VERSION 600 /* [XSI] */
+#define _XOPEN_XCU_VERSION 4 /* Older standard */
+
+
+/* Please keep this list in the same order as the applicable standard */
+#define _POSIX_ADVISORY_INFO (-1) /* [ADV] */
+#define _POSIX_ASYNCHRONOUS_IO (-1) /* [AIO] */
+#define _POSIX_BARRIERS (-1) /* [BAR] */
+#define _POSIX_CHOWN_RESTRICTED 200112L
+#define _POSIX_CLOCK_SELECTION (-1) /* [CS] */
+#define _POSIX_CPUTIME (-1) /* [CPT] */
+#define _POSIX_FSYNC (-1) /* [FSC] */
+#define _POSIX_IPV6 200112L
+#define _POSIX_JOB_CONTROL 200112L
+#define _POSIX_MAPPED_FILES 200112L /* [MF] */
+#define _POSIX_MEMLOCK (-1) /* [ML] */
+#define _POSIX_MEMLOCK_RANGE (-1) /* [MR] */
+#define _POSIX_MEMORY_PROTECTION 200112L /* [MPR] */
+#define _POSIX_MESSAGE_PASSING (-1) /* [MSG] */
+#define _POSIX_MONOTONIC_CLOCK (-1) /* [MON] */
+#define _POSIX_NO_TRUNC 200112L
+#define _POSIX_PRIORITIZED_IO (-1) /* [PIO] */
+#define _POSIX_PRIORITY_SCHEDULING (-1) /* [PS] */
+#define _POSIX_RAW_SOCKETS (-1) /* [RS] */
+#define _POSIX_READER_WRITER_LOCKS 200112L /* [THR] */
+#define _POSIX_REALTIME_SIGNALS (-1) /* [RTS] */
+#define _POSIX_REGEXP 200112L
+#define _POSIX_SAVED_IDS 200112L /* XXX required */
+#define _POSIX_SEMAPHORES (-1) /* [SEM] */
+#define _POSIX_SHARED_MEMORY_OBJECTS (-1) /* [SHM] */
+#define _POSIX_SHELL 200112L
+#define _POSIX_SPAWN (-1) /* [SPN] */
+#define _POSIX_SPIN_LOCKS (-1) /* [SPI] */
+#define _POSIX_SPORADIC_SERVER (-1) /* [SS] */
+#define _POSIX_SYNCHRONIZED_IO (-1) /* [SIO] */
+#define _POSIX_THREAD_ATTR_STACKADDR 200112L /* [TSA] */
+#define _POSIX_THREAD_ATTR_STACKSIZE 200112L /* [TSS] */
+#define _POSIX_THREAD_CPUTIME (-1) /* [TCT] */
+#define _POSIX_THREAD_PRIO_INHERIT (-1) /* [TPI] */
+#define _POSIX_THREAD_PRIO_PROTECT (-1) /* [TPP] */
+#define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) /* [TPS] */
+#define _POSIX_THREAD_PROCESS_SHARED (-1) /* [TSH] */
+#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L /* [TSF] */
+#define _POSIX_THREAD_SPORADIC_SERVER (-1) /* [TSP] */
+#define _POSIX_THREADS 200112L /* [THR] */
+#define _POSIX_TIMEOUTS (-1) /* [TMO] */
+#define _POSIX_TIMERS (-1) /* [TMR] */
+#define _POSIX_TRACE (-1) /* [TRC] */
+#define _POSIX_TRACE_EVENT_FILTER (-1) /* [TEF] */
+#define _POSIX_TRACE_INHERIT (-1) /* [TRI] */
+#define _POSIX_TRACE_LOG (-1) /* [TRL] */
+#define _POSIX_TYPED_MEMORY_OBJECTS (-1) /* [TYM] */
+#ifndef _POSIX_VDISABLE
+#define _POSIX_VDISABLE 0xff /* same as sys/termios.h */
+#endif /* _POSIX_VDISABLE */
+
+#define _POSIX2_C_BIND 200112L
+#define _POSIX2_C_DEV 200112L /* c99 command */
+#define _POSIX2_CHAR_TERM 200112L
+#define _POSIX2_FORT_DEV (-1) /* fort77 command */
+#define _POSIX2_FORT_RUN 200112L
+#define _POSIX2_LOCALEDEF 200112L /* localedef command */
+#define _POSIX2_PBS (-1)
+#define _POSIX2_PBS_ACCOUNTING (-1)
+#define _POSIX2_PBS_CHECKPOINT (-1)
+#define _POSIX2_PBS_LOCATE (-1)
+#define _POSIX2_PBS_MESSAGE (-1)
+#define _POSIX2_PBS_TRACK (-1)
+#define _POSIX2_SW_DEV 200112L
+#define _POSIX2_UPE 200112L /* XXXX no fc, newgrp, tabs */
+
+#define _V6_ILP32_OFF32 (-1)
+#define _V6_ILP32_OFFBIG (1)
+#define _V6_LP64_OFF64 (1)
+#define _V6_LPBIG_OFFBIG (1)
+
+#define _XBS5_ILP32_OFF32 _V6_ILP32_OFF32 /* legacy */
+#define _XBS5_ILP32_OFFBIG _V6_ILP32_OFFBIG /* legacy */
+#define _XBS5_LP64_OFF64 _V6_LP64_OFF64 /* legacy */
+#define _XBS5_LPBIG_OFFBIG _V6_LPBIG_OFFBIG /* legacy */
+
+#define _XOPEN_CRYPT (1)
+#define _XOPEN_ENH_I18N (1) /* XXX required */
+#define _XOPEN_LEGACY (-1) /* no ftime gcvt, wcswcs */
+#define _XOPEN_REALTIME (-1) /* no q'ed signals, mq_* */
+#define _XOPEN_REALTIME_THREADS (-1) /* no posix_spawn, et. al. */
+#define _XOPEN_SHM (1)
+#define _XOPEN_STREAMS (-1)
+#define _XOPEN_UNIX (1)
+
+
+#define F_ULOCK 0 /* unlock locked section */
+#define F_LOCK 1 /* lock a section for exclusive use */
+#define F_TLOCK 2 /* test and lock a section for exclusive use */
+#define F_TEST 3 /* test a section for locks by other procs */
+
+/* configurable system variables */
+#define _SC_ARG_MAX 1
+#define _SC_CHILD_MAX 2
+#define _SC_CLK_TCK 3
+#define _SC_NGROUPS_MAX 4
+#define _SC_OPEN_MAX 5
+#define _SC_JOB_CONTROL 6
+#define _SC_SAVED_IDS 7
+#define _SC_VERSION 8
+#define _SC_BC_BASE_MAX 9
+#define _SC_BC_DIM_MAX 10
+#define _SC_BC_SCALE_MAX 11
+#define _SC_BC_STRING_MAX 12
+#define _SC_COLL_WEIGHTS_MAX 13
+#define _SC_EXPR_NEST_MAX 14
+#define _SC_LINE_MAX 15
+#define _SC_RE_DUP_MAX 16
+#define _SC_2_VERSION 17
+#define _SC_2_C_BIND 18
+#define _SC_2_C_DEV 19
+#define _SC_2_CHAR_TERM 20
+#define _SC_2_FORT_DEV 21
+#define _SC_2_FORT_RUN 22
+#define _SC_2_LOCALEDEF 23
+#define _SC_2_SW_DEV 24
+#define _SC_2_UPE 25
+#define _SC_STREAM_MAX 26
+#define _SC_TZNAME_MAX 27
+#define _SC_ASYNCHRONOUS_IO 28
+#define _SC_PAGESIZE 29
+#define _SC_MEMLOCK 30
+#define _SC_MEMLOCK_RANGE 31
+#define _SC_MEMORY_PROTECTION 32
+#define _SC_MESSAGE_PASSING 33
+#define _SC_PRIORITIZED_IO 34
+#define _SC_PRIORITY_SCHEDULING 35
+#define _SC_REALTIME_SIGNALS 36
+#define _SC_SEMAPHORES 37
+#define _SC_FSYNC 38
+#define _SC_SHARED_MEMORY_OBJECTS 39
+#define _SC_SYNCHRONIZED_IO 40
+#define _SC_TIMERS 41
+#define _SC_AIO_LISTIO_MAX 42
+#define _SC_AIO_MAX 43
+#define _SC_AIO_PRIO_DELTA_MAX 44
+#define _SC_DELAYTIMER_MAX 45
+#define _SC_MQ_OPEN_MAX 46
+#define _SC_MAPPED_FILES 47 /* swap _SC_PAGESIZE vs. BSD */
+#define _SC_RTSIG_MAX 48
+#define _SC_SEM_NSEMS_MAX 49
+#define _SC_SEM_VALUE_MAX 50
+#define _SC_SIGQUEUE_MAX 51
+#define _SC_TIMER_MAX 52
+#define _SC_2_PBS 59
+#define _SC_2_PBS_ACCOUNTING 60
+#define _SC_2_PBS_CHECKPOINT 61
+#define _SC_2_PBS_LOCATE 62
+#define _SC_2_PBS_MESSAGE 63
+#define _SC_2_PBS_TRACK 64
+#define _SC_ADVISORY_INFO 65
+#define _SC_BARRIERS 66
+#define _SC_CLOCK_SELECTION 67
+#define _SC_CPUTIME 68
+#define _SC_FILE_LOCKING 69
+#define _SC_GETGR_R_SIZE_MAX 70
+#define _SC_GETPW_R_SIZE_MAX 71
+#define _SC_HOST_NAME_MAX 72
+#define _SC_LOGIN_NAME_MAX 73
+#define _SC_MONOTONIC_CLOCK 74
+#define _SC_MQ_PRIO_MAX 75
+#define _SC_READER_WRITER_LOCKS 76
+#define _SC_REGEXP 77
+#define _SC_SHELL 78
+#define _SC_SPAWN 79
+#define _SC_SPIN_LOCKS 80
+#define _SC_SPORADIC_SERVER 81
+#define _SC_THREAD_ATTR_STACKADDR 82
+#define _SC_THREAD_ATTR_STACKSIZE 83
+#define _SC_THREAD_CPUTIME 84
+#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85
+#define _SC_THREAD_KEYS_MAX 86
+#define _SC_THREAD_PRIO_INHERIT 87
+#define _SC_THREAD_PRIO_PROTECT 88
+#define _SC_THREAD_PRIORITY_SCHEDULING 89
+#define _SC_THREAD_PROCESS_SHARED 90
+#define _SC_THREAD_SAFE_FUNCTIONS 91
+#define _SC_THREAD_SPORADIC_SERVER 92
+#define _SC_THREAD_STACK_MIN 93
+#define _SC_THREAD_THREADS_MAX 94
+#define _SC_TIMEOUTS 95
+#define _SC_THREADS 96
+#define _SC_TRACE 97
+#define _SC_TRACE_EVENT_FILTER 98
+#define _SC_TRACE_INHERIT 99
+#define _SC_TRACE_LOG 100
+#define _SC_TTY_NAME_MAX 101
+#define _SC_TYPED_MEMORY_OBJECTS 102
+#define _SC_V6_ILP32_OFF32 103
+#define _SC_V6_ILP32_OFFBIG 104
+#define _SC_V6_LP64_OFF64 105
+#define _SC_V6_LPBIG_OFFBIG 106
+#define _SC_IPV6 118
+#define _SC_RAW_SOCKETS 119
+#define _SC_SYMLOOP_MAX 120
+#define _SC_ATEXIT_MAX 107
+#define _SC_IOV_MAX 56
+#define _SC_PAGE_SIZE _SC_PAGESIZE
+#define _SC_XOPEN_CRYPT 108
+#define _SC_XOPEN_ENH_I18N 109
+#define _SC_XOPEN_LEGACY 110
+#define _SC_XOPEN_REALTIME 111
+#define _SC_XOPEN_REALTIME_THREADS 112
+#define _SC_XOPEN_SHM 113
+#define _SC_XOPEN_STREAMS 114
+#define _SC_XOPEN_UNIX 115
+#define _SC_XOPEN_VERSION 116
+#define _SC_XOPEN_XCU_VERSION 121
+#define _SC_XBS5_ILP32_OFF32 122
+#define _SC_XBS5_ILP32_OFFBIG 123
+#define _SC_XBS5_LP64_OFF64 124
+#define _SC_XBS5_LPBIG_OFFBIG 125
+
+#ifndef _CS_PATH /* XXX temporary #ifdef'ed for <sys/unistd.h> */
+#define _CS_PATH 1
+#endif
+#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2
+#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3
+#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4
+#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5
+#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6
+#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7
+#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8
+#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9
+#define _CS_POSIX_V6_LP64_OFF64_LIBS 10
+#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11
+#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12
+#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13
+#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14
+
+/* reserved for compatibility with Issue 5 */
+#define _CS_XBS5_ILP32_OFF32_CFLAGS 20
+#define _CS_XBS5_ILP32_OFF32_LDFLAGS 21
+#define _CS_XBS5_ILP32_OFF32_LIBS 22
+#define _CS_XBS5_ILP32_OFF32_LINTFLAGS 23
+#define _CS_XBS5_ILP32_OFFBIG_CFLAGS 24
+#define _CS_XBS5_ILP32_OFFBIG_LDFLAGS 25
+#define _CS_XBS5_ILP32_OFFBIG_LIBS 26
+#define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS 27
+#define _CS_XBS5_LP64_OFF64_CFLAGS 28
+#define _CS_XBS5_LP64_OFF64_LDFLAGS 29
+#define _CS_XBS5_LP64_OFF64_LIBS 30
+#define _CS_XBS5_LP64_OFF64_LINTFLAGS 31
+#define _CS_XBS5_LPBIG_OFFBIG_CFLAGS 32
+#define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS 33
+#define _CS_XBS5_LPBIG_OFFBIG_LIBS 34
+#define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS 35
+
+__BEGIN_DECLS
+
+void _exit(int) __dead2;
+int access(const char *, int);
+unsigned int
+ alarm(unsigned int);
+int chdir(const char *);
+int chown(const char *, uid_t, gid_t);
+int close(int);
+size_t confstr(int, char *, size_t);
+char *crypt(const char *, const char *);
+char *ctermid(char *);
+int dup(int);
+int dup2(int, int);
+int execl(const char *, const char *, ...);
+int execle(const char *, const char *, ...);
+int execlp(const char *, const char *, ...);
+int execv(const char *, char * const *);
+int execve(const char *, char * const *, char * const *);
+int execvp(const char *, char * const *);
+int fchown(int, uid_t, gid_t);
+int fchdir(int);
+pid_t fork(void);
+long fpathconf(int, int);
+int ftruncate(int, off_t);
+char *getcwd(char *, size_t);
+gid_t getegid(void);
+uid_t geteuid(void);
+gid_t getgid(void);
+int getgroups(int, gid_t []);
+long gethostid(void);
+int gethostname(char *, size_t);
+char *getlogin(void);
+int getlogin_r(char *, size_t);
+int getopt(int, char * const [], const char *);
+pid_t getpgid(pid_t);
+pid_t getpgrp(void);
+pid_t getpid(void);
+pid_t getppid(void);
+pid_t getsid(pid_t);
+uid_t getuid(void);
+char *getwd(char *); /* obsoleted by getcwd() */
+int isatty(int);
+int lchown(const char *, uid_t, gid_t) __DARWIN_ALIAS(lchown);
+int link(const char *, const char *);
+int lockf(int, int, off_t);
+off_t lseek(int, off_t, int);
+int nice(int);
+long pathconf(const char *, int);
+int pause(void);
+int pipe(int [2]);
+ssize_t pread(int, void *, size_t, off_t);
+ssize_t pwrite(int, const void *, size_t, off_t);
+ssize_t read(int, void *, size_t);
+ssize_t readlink(const char * __restrict, char * __restrict, size_t);
+int rmdir(const char *);
+int setegid(gid_t);
+int seteuid(uid_t);
+int setgid(gid_t);
+int setpgid(pid_t, pid_t);
+#if __DARWIN_UNIX03
+pid_t setpgrp(void) __DARWIN_ALIAS(setpgrp);
+#else /* !__DARWIN_UNIX03 */
+int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */
+#endif /* __DARWIN_UNIX03 */
+int setregid(gid_t, gid_t);
+int setreuid(uid_t, uid_t);
+pid_t setsid(void);
+int setuid(uid_t);
+unsigned int
+ sleep(unsigned int);
+void swab(const void * __restrict, void * __restrict, ssize_t);
+int symlink(const char *, const char *);
+void sync(void);
+long sysconf(int);
+pid_t tcgetpgrp(int);
+int tcsetpgrp(int, pid_t);
+int truncate(const char *, off_t);
+char *ttyname(int);
+#if __DARWIN_UNIX03
+int ttyname_r(int, char *, size_t) __DARWIN_ALIAS(ttyname_r);
+#else /* !__DARWIN_UNIX03 */
+char *ttyname_r(int, char *, size_t);
+#endif /* __DARWIN_UNIX03 */
+useconds_t
+ ualarm(useconds_t, useconds_t);
+int unlink(const char *);
+int usleep(useconds_t);
+pid_t vfork(void);
+ssize_t write(int, const void *, size_t);
+
+extern char *optarg; /* getopt(3) external variables */
+extern int optind, opterr, optopt;
+
+#ifndef _POSIX_C_SOURCE
+#include <sys/select.h>
+
+void _Exit(int) __dead2;
+int accessx_np(const struct accessx_descriptor *, size_t, int *, uid_t);
+int acct(const char *);
+int add_profil(char *, size_t, unsigned long, unsigned int);
+int async_daemon(void);
+void *brk(const void *);
+int chroot(const char *);
+#if __DARWIN_UNIX03
+void encrypt(char *, int) __DARWIN_ALIAS(encrypt);
+#else /* !__DARWIN_UNIX03 */
+int encrypt(char *, int);
+#endif /* __DARWIN_UNIX03 */
+void endusershell(void);
+int execvP(const char *, const char *, char * const *);
+char *fflagstostr(unsigned long);
+int fsync(int);
+int getdtablesize(void);
+int getdomainname(char *, int);
+int getgrouplist(const char *, int, int *, int *);
+mode_t getmode(const void *, mode_t);
+int getpagesize(void) __pure2;
+char *getpass(const char *);
+int getpeereid(int, uid_t *, gid_t *);
+int getpgid(pid_t _pid);
+int getsgroups_np(int *, uuid_t);
+int getsid(pid_t _pid);
+char *getusershell(void);
+int getwgroups_np(int *, uuid_t);
+int initgroups(const char *, int);
+int iruserok(unsigned long, int, const char *, const char *);
+int issetugid(void);
+char *mkdtemp(char *);
+int mknod(const char *, mode_t, dev_t);
+int mkstemp(char *);
+int mkstemps(char *, int);
+char *mktemp(char *);
+int nfssvc(int, void *);
+int profil(char *, size_t, unsigned long, unsigned int);
+int pthread_setugid_np(uid_t, gid_t);
+int pthread_getugid_np( uid_t *, gid_t *);
+int rcmd(char **, int, const char *, const char *, const char *, int *);
+int reboot(int);
+int revoke(const char *);
+int rresvport(int *);
+int rresvport_af(int *, int);
+int ruserok(const char *, int, const char *, const char *);
+void *sbrk(int);
+int setdomainname(const char *, int);
+int setgroups(int, const gid_t *);
+void sethostid(long);
+int sethostname(const char *, int);
+#if __DARWIN_UNIX03
+void setkey(const char *) __DARWIN_ALIAS(setkey);
+#else /* !__DARWIN_UNIX03 */
+int setkey(const char *);
+#endif /* __DARWIN_UNIX03 */
+int setlogin(const char *);
+void *setmode(const char *);
+int setrgid(gid_t);
+int setruid(uid_t);
+int setsgroups_np(int, const uuid_t);
+void setusershell(void);
+int setwgroups_np(int, const uuid_t);
+int strtofflags(char **, unsigned long *, unsigned long *);
+int swapon(const char *);
+int syscall(int, ...);
+int ttyslot(void);
+int undelete(const char *);
+int unwhiteout(const char *);
+void *valloc(size_t);
+
+extern char *suboptarg; /* getsubopt(3) external variable */
+int getsubopt(char **, char * const *, char **);
+
+/* HFS & HFS Plus semantics system calls go here */
+#ifdef __LP64__
+int getattrlist(const char*,void*,void*,size_t,unsigned int) __DARWIN_ALIAS(getattrlist);
+int setattrlist(const char*,void*,void*,size_t,unsigned int) __DARWIN_ALIAS(setattrlist);
+int exchangedata(const char*,const char*,unsigned int);
+int checkuseraccess(const char*,uid_t,gid_t*,int,int,unsigned int);
+int getdirentriesattr(int,void*,void*,size_t,unsigned int*,unsigned int*,unsigned int*,unsigned int);
+int searchfs(const char*,void*,void*,unsigned int,unsigned int,void*);
+
+int fsctl(const char *,unsigned int,void*,unsigned int);
+#else /* __LP64__ */
+int getattrlist(const char*,void*,void*,size_t,unsigned long) __DARWIN_ALIAS(getattrlist);
+int setattrlist(const char*,void*,void*,size_t,unsigned long) __DARWIN_ALIAS(setattrlist);
+int exchangedata(const char*,const char*,unsigned long);
+int checkuseraccess(const char*,uid_t,gid_t*,int,int,unsigned long);
+int getdirentriesattr(int,void*,void*,size_t,unsigned long*,unsigned long*,unsigned long*,unsigned long);
+int searchfs(const char*,void*,void*,unsigned long,unsigned long,void*);
+
+int fsctl(const char *,unsigned long,void*,unsigned long);
+#endif /* __LP64__ */
+
+extern int optreset;
+
+#endif /* !_POSIX_C_SOURCE */
+__END_DECLS
+
+#endif /* !_UNISTD_H_ */