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/* unistd.h <ndf@linux.mit.edu> */
#include <features.h>
#include <sys/types.h>
#ifndef __UNISTD_H
#define __UNISTD_H
#include <errno.h>
#ifdef __mc68000__
#include <asm/unistd.h>
#endif
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
/* NULL-terminated array of "NAME=VALUE" environment variables. */
extern char **__environ;
extern char **environ;
extern int close __P ((int));
extern size_t read __P ((int __fd, char * __buf, size_t __nbytes));
extern size_t write __P ((int __fd, __const char * __buf, size_t __n));
extern off_t lseek __P ((int __fd, off_t __n, int __whence));
extern int pipe __P ((int __pipedes[2]));
extern unsigned int alarm __P ((unsigned int __seconds));
extern int sleep __P ((unsigned int __seconds));
extern void usleep __P ((unsigned long __microseconds));
extern int pause __P ((void));
extern char* crypt __P((__const char *__key, __const char *__salt));
extern int isatty __P ((int __fd));
extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
extern int link __P ((__const char *__from, __const char *__to));
extern int symlink __P ((__const char *__from, __const char *__to));
extern int readlink __P ((__const char *__path, char *__buf, size_t __len));
extern int unlink __P ((__const char *__name));
extern char *getcwd __P ((char *__buf, size_t __size));
extern int fchdir __P ((int __fd));
extern int chdir __P ((__const char *__path));
extern int chown __P ((__const char *__file,
uid_t __owner, gid_t __group));
extern int fchown __P ((int __fd,
uid_t __owner, gid_t __group));
extern int fsync __P ((int __fd));
extern int sync __P ((void));
extern int rmdir __P ((__const char *__path));
extern int rename __P((__const char* _old, __const char* _new));
extern int access __P ((__const char *__name, int __type));
extern int reboot __P ((int __magic, int __magic_too, int __flag));
extern int mkstemp __P ((char * __template));
extern char * mktemp __P ((char * __template));
extern int _clone __P ((int (*fn)(void *arg), void *child_stack, int flags, void *arg));
#if 0
#ifndef SYS_fork
#define SYS_fork 2
#endif
#define vfork() ({ \
register long __res __asm__ ("%d0"); \
__asm__ __volatile__ ("trap #0" \
: "=g" (__res) \
: "0" (SYS_fork) \
: "%d0"); \
__res; \
})
#endif
#ifdef __mc68000__
#define vfork() ({ \
register unsigned long __res __asm__ ("%d0") = __NR_fork; \
__asm__ __volatile__ ("trap #0" \
: "=g" (__res) \
: "0" (__res) \
: "%d0"); \
if (__res >= (unsigned long)-4096) { \
errno = -__res; \
__res = (pid_t)-1; \
} \
(pid_t)__res; \
})
#define fork fork_not_available_use_vfork
#define clone clone_not_available_use__clone
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
#ifndef R_OK
#define R_OK 4 /* Test for read permission. */
#define W_OK 2 /* Test for write permission. */
#define X_OK 1 /* Test for execute permission. */
#define F_OK 0 /* Test for existence. */
#endif
#endif /* __UNISTD_H */
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