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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;

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 ));

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 ));

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

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 ));

int     _EXFUN(nice, (int __nice_value ));

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

long    _EXFUN(pathconf, (const 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 ));

#if defined(__CYGWIN32__) || defined(__rtems__)

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, (void));

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

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

#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

/*

 *  RTEMS adheres to a later version of POSIX -- 1003.1b.

 *

 *  XXX this version string should change.

 */

#ifdef __rtems__

#ifndef _POSIX_JOB_CONTROL

# define _POSIX_JOB_CONTROL     1

#endif

#ifndef _POSIX_SAVED_IDS

# define _POSIX_SAVED_IDS       1

#endif

# define _POSIX_VERSION 199009L

#else

#ifdef __svr4__

# define _POSIX_JOB_CONTROL     1

# define _POSIX_SAVED_IDS       1

# define _POSIX_VERSION 199009L

#endif

#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

# define        _PC_ASYNC_IO    9

# define        _PC_PRIO_IO     10

# define        _PC_SYNC_IO     11

# 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 */