/*
 * unistd.h for libRILc.

    This file is part of libRILc, a standard C library for GCC on Amiga OS.
    Copyright © 1997, 1998  Rask Ingemann Lambertsen

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    As a special exception, if you link this library with files compiled
    with a GNU compiler to produce an executable, this does not cause the
    resulting executable to be covered by the GNU General Public License.
    This exception does not however invalidate any other reasons why the
    executable file might be covered by the GNU General Public License.
*/

#ifndef _UNISTD_H
#define _UNISTD_H

#ifdef __cplusplus
extern "C" {
#endif

#include <exec/types.h>
#include <exec/tasks.h>

/* Fix exec/types.h conflict with libg++ */
#undef GLOBAL

#include <sys/types.h>

typedef struct Task * pid_t;

/* Why do I have a feeling I'll have to take defensive action against
 * broken programmes that expect these to be the constants 0, 1 and 2
 * respectively? *Sigh*
 */
#define STDIN_FILENO  (int) stdin     /* standard input file "descriptor" */
#define STDOUT_FILENO (int) stdout    /* standard output file "descriptor" */
#define STDERR_FILENO (int) stderr    /* standard error file "descriptor" */

/* for access() */
#define R_OK 1          /* Readability test. */
#define W_OK 2          /* Writability test. */
#define X_OK 4          /* Executability test. */
#define F_OK 8          /* Existance test. */

extern int ftruncate (int fd, off_t size);
extern pid_t getpid (void);
extern int isatty (int fd);
extern int rmdir (const char *drawer);
extern int unlink (const char *file);
extern ssize_t write (int d, const void *ptr, const size_t size);
extern ssize_t read (int d, void *ptr, const size_t size);
extern int access (const char *path, int amode);
extern char *getcwd (char *buf, size_t size);
extern int close (int fildes);
extern int lseek (int fildes, off_t offset, int whence);

#ifdef __cplusplus
}
#endif

#endif /* _UNISTD_H */
