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/*

 * 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.

 *

 * RCS: @(#) $Id: unistd.h,v 1.1.1.1 2002-01-16 10:25:47 markom 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));

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

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));

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

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));

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

extern int vfork _ANSI_ARGS_((void));

#endif /* _POSIX_SOURCE */

#endif /* _UNISTD */