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#ifndef _SYS_UNISTD_H

#define _SYS_UNISTD_H

#ifdef __cplusplus

extern "C" {

#endif

#include <_ansi.h>

#include <sys/types.h>

#include <sys/_types.h>

#define __need_size_t

#define __need_ptrdiff_t

#include <stddef.h>

extern char **environ;

void    _EXFUN(_exit, (int __status ) _ATTRIBUTE ((noreturn)));

int     _EXFUN(access,(const char *__path, int __amode ));

unsigned  _EXFUN(alarm, (unsigned __secs ));

int     _EXFUN(chdir, (const char *__path ));

int     _EXFUN(chmod, (const char *__path, mode_t __mode ));

#if !defined(__INSIDE_CYGWIN__)

int     _EXFUN(chown, (const char *__path, uid_t __owner, gid_t __group ));

#endif

#if defined(__CYGWIN__) || defined(__rtems__)

int     _EXFUN(chroot, (const char *__path ));

#endif

int     _EXFUN(close, (int __fildes ));

#if defined(__CYGWIN__)

size_t  _EXFUN(confstr, (int __name, char *__buf, size_t __len));

#endif

char    _EXFUN(*ctermid, (char *__s ));

char    _EXFUN(*cuserid, (char *__s ));

#if defined(__CYGWIN__)

int     _EXFUN(daemon, (int nochdir, int noclose));

#endif

int     _EXFUN(dup, (int __fildes ));

int     _EXFUN(dup2, (int __fildes, int __fildes2 ));

#if defined(__CYGWIN__)

void    _EXFUN(endusershell, (void));

#endif

int     _EXFUN(execl, (const char *__path, const char *, ... ));

int     _EXFUN(execle, (const char *__path, const char *, ... ));

int     _EXFUN(execlp, (const char *__file, const char *, ... ));

int     _EXFUN(execv, (const char *__path, char * const __argv[] ));

int     _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] ));

int     _EXFUN(execvp, (const char *__file, char * const __argv[] ));

#if defined(__CYGWIN__)

int     _EXFUN(faccessat, (int __dirfd, const char *__path, int __mode, int __flags));

#endif

#if defined(__CYGWIN__) || defined(__rtems__) || defined(__SPU__)

int     _EXFUN(fchdir, (int __fildes));

#endif

int     _EXFUN(fchmod, (int __fildes, mode_t __mode ));

#if !defined(__INSIDE_CYGWIN__)

int     _EXFUN(fchown, (int __fildes, uid_t __owner, gid_t __group ));

#endif

#if defined(__CYGWIN__)

int     _EXFUN(fchownat, (int __dirfd, const char *__path, uid_t __owner, gid_t __group, int __flags));

#endif

pid_t   _EXFUN(fork, (void ));

long    _EXFUN(fpathconf, (int __fd, int __name ));

int     _EXFUN(fsync, (int __fd));

int     _EXFUN(fdatasync, (int __fd));

char    _EXFUN(*getcwd, (char *__buf, size_t __size ));

#if defined(__CYGWIN__)

int     _EXFUN(getdomainname ,(char *__name, size_t __len));

#endif

#if !defined(__INSIDE_CYGWIN__)

gid_t   _EXFUN(getegid, (void ));

uid_t   _EXFUN(geteuid, (void ));

gid_t   _EXFUN(getgid, (void ));

#endif

int     _EXFUN(getgroups, (int __gidsetsize, gid_t __grouplist[] ));

#if defined(__CYGWIN__)

long    _EXFUN(gethostid, (void));

#endif

char    _EXFUN(*getlogin, (void ));

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS)

int _EXFUN(getlogin_r, (char *name, size_t namesize) );

#endif

char    _EXFUN(*getpass, (const char *__prompt));

size_t  _EXFUN(getpagesize, (void));

#if defined(__CYGWIN__)

int    _EXFUN(getpeereid, (int, uid_t *, gid_t *));

#endif

pid_t   _EXFUN(getpgid, (pid_t));

pid_t   _EXFUN(getpgrp, (void ));

pid_t   _EXFUN(getpid, (void ));

pid_t   _EXFUN(getppid, (void ));

#ifdef __CYGWIN__

pid_t   _EXFUN(getsid, (pid_t));

#endif

#if !defined(__INSIDE_CYGWIN__)

uid_t   _EXFUN(getuid, (void ));

#endif

#ifdef __CYGWIN__

char *  _EXFUN(getusershell, (void));

char    _EXFUN(*getwd, (char *__buf ));

int     _EXFUN(iruserok, (unsigned long raddr, int superuser, const char *ruser, const char *luser));

#endif

int     _EXFUN(isatty, (int __fildes ));

#if !defined(__INSIDE_CYGWIN__)

int     _EXFUN(lchown, (const char *__path, uid_t __owner, gid_t __group ));

#endif

int     _EXFUN(link, (const char *__path1, const char *__path2 ));

#if defined(__CYGWIN__)

int     _EXFUN(linkat, (int __dirfd1, const char *__path1, int __dirfd2, const char *__path2, int __flags ));

#endif

int     _EXFUN(nice, (int __nice_value ));

#if !defined(__INSIDE_CYGWIN__)

off_t   _EXFUN(lseek, (int __fildes, off_t __offset, int __whence ));

#endif

#if defined(__SPU__) || defined(__CYGWIN__)

#define F_ULOCK 0

#define F_LOCK  1

#define F_TLOCK 2

#define F_TEST  3

int     _EXFUN(lockf, (int __fd, int __cmd, off_t __len));

#endif

long    _EXFUN(pathconf, (const char *__path, int __name ));

int     _EXFUN(pause, (void ));

#ifdef __CYGWIN__

int     _EXFUN(pthread_atfork, (void (*)(void), void (*)(void), void (*)(void)));

#endif

int     _EXFUN(pipe, (int __fildes[2] ));

ssize_t _EXFUN(pread, (int __fd, void *__buf, size_t __nbytes, off_t __offset));

ssize_t _EXFUN(pwrite, (int __fd, const void *__buf, size_t __nbytes, off_t __offset));

_READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte ));

#if defined(__CYGWIN__)

int     _EXFUN(rresvport, (int *__alport));

int     _EXFUN(revoke, (char *__path));

#endif

int     _EXFUN(rmdir, (const char *__path ));

#if defined(__CYGWIN__)

int     _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser));

#endif

void *  _EXFUN(sbrk,  (ptrdiff_t __incr));

#if !defined(__INSIDE_CYGWIN__)

#if defined(__CYGWIN__)

int     _EXFUN(setegid, (gid_t __gid ));

int     _EXFUN(seteuid, (uid_t __uid ));

#endif

int     _EXFUN(setgid, (gid_t __gid ));

#endif

#if defined(__CYGWIN__)

int     _EXFUN(setgroups, (int ngroups, const gid_t *grouplist ));

#endif

int     _EXFUN(setpgid, (pid_t __pid, pid_t __pgid ));

int     _EXFUN(setpgrp, (void ));

#if defined(__CYGWIN__) && !defined(__INSIDE_CYGWIN__)

int     _EXFUN(setregid, (gid_t __rgid, gid_t __egid));

int     _EXFUN(setreuid, (uid_t __ruid, uid_t __euid));

#endif

pid_t   _EXFUN(setsid, (void ));

#if !defined(__INSIDE_CYGWIN__)

int     _EXFUN(setuid, (uid_t __uid ));

#endif

#if defined(__CYGWIN__)

void    _EXFUN(setusershell, (void));

#endif

unsigned _EXFUN(sleep, (unsigned int __seconds ));

void    _EXFUN(swab, (const void *, void *, ssize_t));

long    _EXFUN(sysconf, (int __name ));

pid_t   _EXFUN(tcgetpgrp, (int __fildes ));

int     _EXFUN(tcsetpgrp, (int __fildes, pid_t __pgrp_id ));

char    _EXFUN(*ttyname, (int __fildes ));

#if defined(__CYGWIN__) || defined(__rtems__)

int     _EXFUN(ttyname_r, (int, char *, size_t));

#endif

int     _EXFUN(unlink, (const char *__path ));

int     _EXFUN(usleep, (useconds_t __useconds));

int     _EXFUN(vhangup, (void ));

_READ_WRITE_RETURN_TYPE _EXFUN(write, (int __fd, const void *__buf, size_t __nbyte ));

#ifdef __CYGWIN__

# define __UNISTD_GETOPT__

# include <getopt.h>

# undef __UNISTD_GETOPT__

#else

extern char *optarg;                    /* getopt(3) external variables */

extern int optind, opterr, optopt;

int      getopt(int, char * const [], const char *);

extern int optreset;                    /* getopt(3) external variable */

#endif

#ifndef        _POSIX_SOURCE

pid_t   _EXFUN(vfork, (void ));

extern char *suboptarg;                 /* getsubopt(3) external variable */

int      getsubopt(char **, char * const *, char **);

#endif /* _POSIX_SOURCE */

#ifdef _COMPILING_NEWLIB

/* Provide prototypes for most of the _<systemcall> names that are

   provided in newlib for some compilers.  */

int     _EXFUN(_close, (int __fildes ));

pid_t   _EXFUN(_fork, (void ));

pid_t   _EXFUN(_getpid, (void ));

int     _EXFUN(_isatty, (int __fildes ));

int     _EXFUN(_link, (const char *__path1, const char *__path2 ));

_off_t   _EXFUN(_lseek, (int __fildes, _off_t __offset, int __whence ));

#ifdef __LARGE64_FILES

_off64_t _EXFUN(_lseek64, (int __filedes, _off64_t __offset, int __whence ));

#endif

_READ_WRITE_RETURN_TYPE _EXFUN(_read, (int __fd, void *__buf, size_t __nbyte ));

void *  _EXFUN(_sbrk,  (ptrdiff_t __incr));

int     _EXFUN(_unlink, (const char *__path ));

_READ_WRITE_RETURN_TYPE _EXFUN(_write, (int __fd, const void *__buf, size_t __nbyte ));

int     _EXFUN(_execve, (const char *__path, char * const __argv[], char * const __envp[] ));

#endif

#if defined(__CYGWIN__) || defined(__rtems__) || defined(__sh__) || defined(__SPU__)

#if !defined(__INSIDE_CYGWIN__)

int     _EXFUN(ftruncate, (int __fd, off_t __length));

int     _EXFUN(truncate, (const char *, off_t __length));

#endif

#endif

#if defined(__CYGWIN__) || defined(__rtems__)

int     _EXFUN(getdtablesize, (void));

int     _EXFUN(setdtablesize, (int));

useconds_t _EXFUN(ualarm, (useconds_t __useconds, useconds_t __interval));

#if !(defined  (_WINSOCK_H) || defined (__USE_W32_SOCKETS))

/* winsock[2].h defines as __stdcall, and with int as 2nd arg */

 int    _EXFUN(gethostname, (char *__name, size_t __len));

#endif

char *  _EXFUN(mktemp, (char *));

#endif

#if defined(__CYGWIN__) || defined(__SPU__) || defined(__rtems__)

void    _EXFUN(sync, (void));

#endif

ssize_t _EXFUN(readlink, (const char *__path, char *__buf, size_t __buflen));

#if defined(__CYGWIN__)

ssize_t _EXFUN(readlinkat, (int __dirfd1, const char *__path, char *__buf, size_t __buflen));

#endif

int     _EXFUN(symlink, (const char *__name1, const char *__name2));

#define F_OK    0

#define R_OK    4

#define W_OK    2

#define X_OK    1

# define        SEEK_SET        0

# define        SEEK_CUR        1

# define        SEEK_END        2

#include <sys/features.h>

#define STDIN_FILENO    0       /* standard input file descriptor */

#define STDOUT_FILENO   1       /* standard output file descriptor */

#define STDERR_FILENO   2       /* standard error file descriptor */

/*

 *  sysconf values per IEEE Std 1003.1, 2004 Edition

 */

#define _SC_ARG_MAX                       0

#define _SC_CHILD_MAX                     1

#define _SC_CLK_TCK                       2

#define _SC_NGROUPS_MAX                   3

#define _SC_OPEN_MAX                      4

#define _SC_JOB_CONTROL                   5

#define _SC_SAVED_IDS                     6

#define _SC_VERSION                       7

#define _SC_PAGESIZE                      8

#define _SC_PAGE_SIZE                     _SC_PAGESIZE

/* These are non-POSIX values we accidentally introduced in 2000 without

   guarding them.  Keeping them unguarded for backward compatibility. */

#define _SC_NPROCESSORS_CONF              9

#define _SC_NPROCESSORS_ONLN             10

#define _SC_PHYS_PAGES                   11

#define _SC_AVPHYS_PAGES                 12

/* End of non-POSIX values. */

#define _SC_MQ_OPEN_MAX                  13

#define _SC_MQ_PRIO_MAX                  14

#define _SC_RTSIG_MAX                    15

#define _SC_SEM_NSEMS_MAX                16

#define _SC_SEM_VALUE_MAX                17

#define _SC_SIGQUEUE_MAX                 18

#define _SC_TIMER_MAX                    19

#define _SC_TZNAME_MAX                   20

#define _SC_ASYNCHRONOUS_IO              21

#define _SC_FSYNC                        22

#define _SC_MAPPED_FILES                 23

#define _SC_MEMLOCK                      24

#define _SC_MEMLOCK_RANGE                25

#define _SC_MEMORY_PROTECTION            26

#define _SC_MESSAGE_PASSING              27

#define _SC_PRIORITIZED_IO               28

#define _SC_REALTIME_SIGNALS             29

#define _SC_SEMAPHORES                   30

#define _SC_SHARED_MEMORY_OBJECTS        31

#define _SC_SYNCHRONIZED_IO              32

#define _SC_TIMERS                       33

#define _SC_AIO_LISTIO_MAX               34

#define _SC_AIO_MAX                      35

#define _SC_AIO_PRIO_DELTA_MAX           36

#define _SC_DELAYTIMER_MAX               37

#define _SC_THREAD_KEYS_MAX              38

#define _SC_THREAD_STACK_MIN             39

#define _SC_THREAD_THREADS_MAX           40

#define _SC_TTY_NAME_MAX                 41

#define _SC_THREADS                      42

#define _SC_THREAD_ATTR_STACKADDR        43

#define _SC_THREAD_ATTR_STACKSIZE        44

#define _SC_THREAD_PRIORITY_SCHEDULING   45

#define _SC_THREAD_PRIO_INHERIT          46

/* _SC_THREAD_PRIO_PROTECT was _SC_THREAD_PRIO_CEILING in early drafts */

#define _SC_THREAD_PRIO_PROTECT          47

#define _SC_THREAD_PRIO_CEILING          _SC_THREAD_PRIO_PROTECT

#define _SC_THREAD_PROCESS_SHARED        48

#define _SC_THREAD_SAFE_FUNCTIONS        49

#define _SC_GETGR_R_SIZE_MAX             50

#define _SC_GETPW_R_SIZE_MAX             51

#define _SC_LOGIN_NAME_MAX               52

#define _SC_THREAD_DESTRUCTOR_ITERATIONS 53

#define _SC_ADVISORY_INFO                54

#define _SC_ATEXIT_MAX                   55

#define _SC_BARRIERS                     56

#define _SC_BC_BASE_MAX                  57

#define _SC_BC_DIM_MAX                   58

#define _SC_BC_SCALE_MAX                 59

#define _SC_BC_STRING_MAX                60

#define _SC_CLOCK_SELECTION              61

#define _SC_COLL_WEIGHTS_MAX             62

#define _SC_CPUTIME                      63

#define _SC_EXPR_NEST_MAX                64

#define _SC_HOST_NAME_MAX                65

#define _SC_IOV_MAX                      66

#define _SC_IPV6                         67

#define _SC_LINE_MAX                     68

#define _SC_MONOTONIC_CLOCK              69

#define _SC_RAW_SOCKETS                  70

#define _SC_READER_WRITER_LOCKS          71

#define _SC_REGEXP                       72

#define _SC_RE_DUP_MAX                   73

#define _SC_SHELL                        74

#define _SC_SPAWN                        75

#define _SC_SPIN_LOCKS                   76

#define _SC_SPORADIC_SERVER              77

#define _SC_SS_REPL_MAX                  78

#define _SC_SYMLOOP_MAX                  79

#define _SC_THREAD_CPUTIME               80

#define _SC_THREAD_SPORADIC_SERVER       81

#define _SC_TIMEOUTS                     82

#define _SC_TRACE                        83

#define _SC_TRACE_EVENT_FILTER           84

#define _SC_TRACE_EVENT_NAME_MAX         85

#define _SC_TRACE_INHERIT                86

#define _SC_TRACE_LOG                    87

#define _SC_TRACE_NAME_MAX               88

#define _SC_TRACE_SYS_MAX                89

#define _SC_TRACE_USER_EVENT_MAX         90

#define _SC_TYPED_MEMORY_OBJECTS         91

#define _SC_V6_ILP32_OFF32               92

#define _SC_XBS5_ILP32_OFF32             _SC_V6_ILP32_OFF32

#define _SC_V6_ILP32_OFFBIG              93

#define _SC_XBS5_ILP32_OFFBIG            _SC_V6_ILP32_OFFBIG

#define _SC_V6_LP64_OFF64                94

#define _SC_XBS5_LP64_OFF64              _SC_V6_LP64_OFF64

#define _SC_V6_LPBIG_OFFBIG              95

#define _SC_XBS5_LPBIG_OFFBIG            _SC_V6_LPBIG_OFFBIG

#define _SC_XOPEN_CRYPT                  96

#define _SC_XOPEN_ENH_I18N               97

#define _SC_XOPEN_LEGACY                 98

#define _SC_XOPEN_REALTIME               99

#define _SC_STREAM_MAX                  100

#define _SC_PRIORITY_SCHEDULING         101

#define _SC_XOPEN_REALTIME_THREADS      102

#define _SC_XOPEN_SHM                   103

#define _SC_XOPEN_STREAMS               104

#define _SC_XOPEN_UNIX                  105

#define _SC_XOPEN_VERSION               106

#define _SC_2_CHAR_TERM                 107

#define _SC_2_C_BIND                    108

#define _SC_2_C_DEV                     109

#define _SC_2_FORT_DEV                  110

#define _SC_2_FORT_RUN                  111

#define _SC_2_LOCALEDEF                 112

#define _SC_2_PBS                       113

#define _SC_2_PBS_ACCOUNTING            114

#define _SC_2_PBS_CHECKPOINT            115

#define _SC_2_PBS_LOCATE                116

#define _SC_2_PBS_MESSAGE               117

#define _SC_2_PBS_TRACK                 118

#define _SC_2_SW_DEV                    119

#define _SC_2_UPE                       120

#define _SC_2_VERSION                   121

/*

 *  pathconf values per IEEE Std 1003.1, 2004 Edition

 */

#define _PC_LINK_MAX                      0

#define _PC_MAX_CANON                     1

#define _PC_MAX_INPUT                     2

#define _PC_NAME_MAX                      3

#define _PC_PATH_MAX                      4

#define _PC_PIPE_BUF                      5

#define _PC_CHOWN_RESTRICTED              6

#define _PC_NO_TRUNC                      7

#define _PC_VDISABLE                      8

#define _PC_ASYNC_IO                      9

#define _PC_PRIO_IO                      10

#define _PC_SYNC_IO                      11

#define _PC_FILESIZEBITS                 12

#define _PC_2_SYMLINKS                   13

#define _PC_SYMLINK_MAX                  14

#ifdef __CYGWIN__

/* Ask for POSIX permission bits support. */

#define _PC_POSIX_PERMISSIONS            90

/* Ask for full POSIX permission support including uid/gid settings. */

#define _PC_POSIX_SECURITY               91

#endif

/*

 *  confstr values per IEEE Std 1003.1, 2004 Edition

 */

#ifdef __CYGWIN__       /* Only defined on Cygwin for now. */

#define _CS_PATH                               0

#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS        1

#define _CS_XBS5_ILP32_OFF32_CFLAGS           _CS_POSIX_V6_ILP32_OFF32_CFLAGS

#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS       2

#define _CS_XBS5_ILP32_OFF32_LDFLAGS          _CS_POSIX_V6_ILP32_OFF32_LDFLAGS

#define _CS_POSIX_V6_ILP32_OFF32_LIBS          3

#define _CS_XBS5_ILP32_OFF32_LIBS             _CS_POSIX_V6_ILP32_OFF32_LIBS

#define _CS_XBS5_ILP32_OFF32_LINTFLAGS         4

#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS       5

#define _CS_XBS5_ILP32_OFFBIG_CFLAGS          _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS

#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS      6

#define _CS_XBS5_ILP32_OFFBIG_LDFLAGS         _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS

#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS         7

#define _CS_XBS5_ILP32_OFFBIG_LIBS            _CS_POSIX_V6_ILP32_OFFBIG_LIBS

#define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS        8

#define _CS_POSIX_V6_LP64_OFF64_CFLAGS         9

#define _CS_XBS5_LP64_OFF64_CFLAGS            _CS_POSIX_V6_LP64_OFF64_CFLAGS

#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS       10

#define _CS_XBS5_LP64_OFF64_LDFLAGS           _CS_POSIX_V6_LP64_OFF64_LDFLAGS

#define _CS_POSIX_V6_LP64_OFF64_LIBS          11

#define _CS_XBS5_LP64_OFF64_LIBS              _CS_POSIX_V6_LP64_OFF64_LIBS

#define _CS_XBS5_LP64_OFF64_LINTFLAGS         12

#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS      13

#define _CS_XBS5_LPBIG_OFFBIG_CFLAGS          _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS

#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS     14

#define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS         _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS

#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS        15

#define _CS_XBS5_LPBIG_OFFBIG_LIBS            _CS_POSIX_V6_LPBIG_OFFBIG_LIBS

#define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS       16

#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS    17

#endif

#ifndef __CYGWIN__

# define        MAXPATHLEN      1024

#endif

#ifdef __cplusplus

}

#endif

#endif /* _SYS_UNISTD_H */