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#ifndef _SYS_UNISTD_H

#define _SYS_UNISTD_H

#ifdef __cplusplus

extern "C" {

#endif

#include <_ansi.h>

#include <sys/types.h>

#define __need_size_t

#include <stddef.h>

extern char **environ;

/* Cygwin32 _exit does return, others do not */

#ifdef __CYGWIN32__

void    _EXFUN(_exit, (int _status ));

#else

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

#endif

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 ));

int     _EXFUN(chown, (const char *_path, uid_t _owner, gid_t _group ));

int     _EXFUN(close, (int _fildes ));

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

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

int     _EXFUN(dup, (int _fildes ));

int     _EXFUN(dup2, (int _fildes, int _fildes2 ));

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[] ));

pid_t   _EXFUN(fork, (void ));

long    _EXFUN(fpathconf, (int _fd, int _name ));

int     _EXFUN(fsync, (int _fd));

char    _EXFUN(*getcwd, (char *_buf, size_t _size ));

gid_t   _EXFUN(getegid, (void ));

uid_t   _EXFUN(geteuid, (void ));

gid_t   _EXFUN(getgid, (void ));

int     _EXFUN(getgroups, (int _gidsetsize, gid_t _grouplist[] ));

char    _EXFUN(*getlogin, (void ));

size_t  _EXFUN(getpagesize, (void));

pid_t   _EXFUN(getpgrp, (void ));

pid_t   _EXFUN(getpid, (void ));

pid_t   _EXFUN(getppid, (void ));

uid_t   _EXFUN(getuid, (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 ));

long    _EXFUN(pathconf, (char *_path, int _name ));

int     _EXFUN(pause, (void ));

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

int     _EXFUN(read, (int _fildes, void *_buf, size_t _nbyte ));

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

void *  _EXFUN(sbrk,  (size_t incr));

int     _EXFUN(setgid, (gid_t _gid ));

int     _EXFUN(setpgid, (pid_t _pid, pid_t _pgid ));

pid_t   _EXFUN(setsid, (void ));

int     _EXFUN(setuid, (uid_t _uid ));

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 ));

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

int     _EXFUN(write, (int _fildes, const void *_buf, size_t _nbyte ));

/* 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(_link, (const char *_path1, const char *_path2 ));

off_t   _EXFUN(_lseek, (int _fildes, off_t _offset, int _whence ));

int     _EXFUN(_read, (int _fildes, void *_buf, size_t _nbyte ));

void *  _EXFUN(_sbrk,  (size_t incr));

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

int     _EXFUN(_write, (int _fildes, const void *_buf, size_t _nbyte ));

#ifdef __CYGWIN32__

unsigned _EXFUN(usleep, (unsigned int _useconds ));

int     _EXFUN(ftruncate, (int fd, off_t length));

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

int     _EXFUN(gethostname, (char *name, size_t len));

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

int     _EXFUN(sync, (char *));

#endif

# 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

#ifdef __svr4__

# define _POSIX_JOB_CONTROL     1

# define _POSIX_SAVED_IDS       1

# define _POSIX_VERSION 199009L

#endif

#ifdef __CYGWIN32__

# define _POSIX_JOB_CONTROL     1

# define _POSIX_SAVED_IDS       0

# define _POSIX_VERSION         199009L

#endif

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

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

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

long _EXFUN(sysconf, (int _name));

# 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

/* no _SC_STREAM_MAX */

# define        _SC_JOB_CONTROL 5

# define        _SC_SAVED_IDS   6

# define        _SC_VERSION     7

# define        _SC_PAGESIZE    8

# 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

# ifndef        _POSIX_SOURCE

#  define       MAXNAMLEN       1024

# endif         /* _POSIX_SOURCE */

/* FIXME: This is temporary until winsup gets sorted out.  */

#ifdef __CYGWIN32__

#define MAXPATHLEN (260 - 1 /* NUL */)

#else

# define        MAXPATHLEN      1024

#endif

#ifdef __cplusplus

}

#endif

#endif /* _SYS_UNISTD_H */