/*

  * unistd.h --

  *

  *      Macros, CONSTants and prototypes for Posix conformance.

  *

  * Copyright 1989 Regents of the University of California

  * Permission to use, copy, modify, and distribute this

  * software and its documentation for any purpose and without

  * fee is hereby granted, provided that the above copyright

  * notice appear in all copies.  The University of California

  * makes no representations about the suitability of this

  * software for any purpose.  It is provided "as is" without

  * express or implied warranty.

  *

  * Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiaries. All rights reserved.  

  *

  * RCS: @(#) $Id: unistd.h,v 1.2 1998/09/14 18:39:45 stanton Exp $

  */

 #ifndef _UNISTD

 #define _UNISTD

 #include <sys/types.h>

 #ifndef _TCL

 #   include "tcl.h"

 #endif

 #ifndef NULL

 #define NULL    0

 #endif

 /* 

  * Strict POSIX stuff goes here.  Extensions go down below, in the 

  * ifndef _POSIX_SOURCE section.

  */

 extern void _exit _ANSI_ARGS_((int status));

 extern int access _ANSI_ARGS_((CONST char *path, int mode));

 extern int chdir _ANSI_ARGS_((CONST char *path));

 extern int chown _ANSI_ARGS_((CONST char *path, uid_t owner, gid_t group));

 extern int close _ANSI_ARGS_((int fd));

 extern int dup _ANSI_ARGS_((int oldfd));

 extern int dup2 _ANSI_ARGS_((int oldfd, int newfd));

 extern int execl _ANSI_ARGS_((CONST char *path, ...));

 extern int execle _ANSI_ARGS_((CONST char *path, ...));

 extern int execlp _ANSI_ARGS_((CONST char *file, ...));

 extern int execv _ANSI_ARGS_((CONST char *path, char **argv));

 extern int execve _ANSI_ARGS_((CONST char *path, char **argv, char **envp));

 extern int execvp _ANSI_ARGS_((CONST char *file, char **argv));

 extern pid_t fork _ANSI_ARGS_((void));

 extern char *getcwd _ANSI_ARGS_((char *buf, size_t size));

 extern gid_t getegid _ANSI_ARGS_((void));

 extern uid_t geteuid _ANSI_ARGS_((void));

 extern gid_t getgid _ANSI_ARGS_((void));

 extern int getgroups _ANSI_ARGS_((int bufSize, int *buffer));

 extern pid_t getpid _ANSI_ARGS_((void));

 extern uid_t getuid _ANSI_ARGS_((void));

 extern int isatty _ANSI_ARGS_((int fd));

 #ifndef __SYMBIAN32__  

 extern long lseek _ANSI_ARGS_((int fd, long offset, int whence));

 #endif

 extern int pipe _ANSI_ARGS_((int *fildes));

 extern int read _ANSI_ARGS_((int fd, char *buf, size_t size));

 extern int setgid _ANSI_ARGS_((gid_t group));

 extern int setuid _ANSI_ARGS_((uid_t user));

 extern unsigned sleep _ANSI_ARGS_ ((unsigned seconds));

 extern char *ttyname _ANSI_ARGS_((int fd));

 extern int unlink _ANSI_ARGS_((CONST char *path));

 extern int write _ANSI_ARGS_((int fd, CONST char *buf, size_t size));

 #ifndef	_POSIX_SOURCE

 extern char *crypt _ANSI_ARGS_((CONST char *, CONST char *));

 extern int fchown _ANSI_ARGS_((int fd, uid_t owner, gid_t group));

 extern int flock _ANSI_ARGS_((int fd, int operation));

 #ifndef __SYMBIAN32__  

 extern int ftruncate _ANSI_ARGS_((int fd, unsigned long length));

 #endif

 extern int ioctl _ANSI_ARGS_((int fd, int request, ...));

 extern int readlink _ANSI_ARGS_((CONST char *path, char *buf, int bufsize));

 extern int setegid _ANSI_ARGS_((gid_t group));

 extern int seteuid _ANSI_ARGS_((uid_t user));

 extern int setreuid _ANSI_ARGS_((int ruid, int euid));

 extern int symlink _ANSI_ARGS_((CONST char *, CONST char *));

 extern int ttyslot _ANSI_ARGS_((void));

 #ifndef __SYMBIAN32__  

 extern int truncate _ANSI_ARGS_((CONST char *path, unsigned long length));

 #endif

 extern int vfork _ANSI_ARGS_((void));

 #endif /* _POSIX_SOURCE */

 #endif /* _UNISTD */