if len(oob) > 0 && empty {
		n = 0
	}
	return n, nil
}

//sys	acct(path *byte) (err error)

func Acct(path string) (err error) {
	if len(path) == 0 {
		// Assume caller wants to disable accounting.
		return acct(nil)
	}

	pathp, err := BytePtrFromString(path)
	if err != nil {
		return err
	}
	return acct(pathp)
}

//sys	__makedev(version int, major uint, minor uint) (val uint64)

	if r0 == -1 && er != nil {
		err = er
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Acct(path string) (err error) {
	_p0 := uintptr(unsafe.Pointer(C.CString(path)))
	r0, er := C.acct(C.uintptr_t(_p0))
	if r0 == -1 && er != nil {
		err = er
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Poll(fds []PollFd, timeout int) (n int, err error) {
	if len(fds) == 0 {
		return poll(nil, 0, timeout)
	}
	return poll(&fds[0], len(fds), timeout)
}

// TODO: wrap
//	Acct(name nil-string) (err error)
//	Gethostuuid(uuid *byte, timeout *Timespec) (err error)
//	Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error)

//sys	Madvise(b []byte, behav int) (err error)

	SYS_GETLOGIN                 = 49  // { int getlogin(char *namebuf, u_int \
	SYS_SETLOGIN                 = 50  // { int setlogin(char *namebuf); }
	SYS_ACCT                     = 51  // { int acct(char *path); }
	SYS_SIGALTSTACK              = 53  // { int sigaltstack(stack_t *ss, \
	SYS_IOCTL                    = 54  // { int ioctl(int fd, u_long com, \
	SYS_REBOOT                   = 55  // { int reboot(int opt); }

int getdirent(int, uintptr_t, size_t);
int wait4(int, uintptr_t, int, uintptr_t);
int ioctl(int, int, uintptr_t);
int fcntl(uintptr_t, int, uintptr_t);
int fsync_range(int, int, long long, long long);
int acct(uintptr_t);
int chdir(uintptr_t);
int chroot(uintptr_t);
int close(int);
int dup(int);
void exit(int);
int faccessat(int, uintptr_t, unsigned int, int);
int fchdir(int);
int fchmod(int, unsigned int);

	SYS_GETLOGIN                 = 49  // { int getlogin(char *namebuf, u_int \
	SYS_SETLOGIN                 = 50  // { int setlogin(char *namebuf); }
	SYS_ACCT                     = 51  // { int acct(char *path); }
	SYS_SIGALTSTACK              = 53  // { int sigaltstack(stack_t *ss, \
	SYS_IOCTL                    = 54  // { int ioctl(int fd, u_long com, \
	SYS_REBOOT                   = 55  // { int reboot(int opt); }

//sys	fsyncRange(fd int, how int, start int64, length int64) (err error) = fsync_range

func Fsync(fd int) error {
	return fsyncRange(fd, O_SYNC, 0, 0)
}

/*
 * Direct access
 */

//sys	Acct(path string) (err error)
//sys	Chdir(path string) (err error)
//sys	Chroot(path string) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(oldfd int) (fd int, err error)
//sys	Exit(code int)

	SYS_GETLOGIN                 = 49  // { int getlogin(char *namebuf, u_int \
	SYS_SETLOGIN                 = 50  // { int setlogin(char *namebuf); }
	SYS_ACCT                     = 51  // { int acct(char *path); }
	SYS_SIGALTSTACK              = 53  // { int sigaltstack(stack_t *ss, \
	SYS_IOCTL                    = 54  // { int ioctl(int fd, u_long com, \
	SYS_REBOOT                   = 55  // { int reboot(int opt); }

	SYS_GETGID        = 47  // { gid_t getgid(void); }
	SYS_GETLOGIN      = 49  // { int getlogin(char *namebuf, u_int namelen); }
	SYS_SETLOGIN      = 50  // { int setlogin(char *namebuf); }
	SYS_ACCT          = 51  // { int acct(char *path); }
	SYS_SIGALTSTACK   = 53  // { int sigaltstack(stack_t *ss, stack_t *oss); }
	SYS_IOCTL         = 54  // { int ioctl(int fd, u_long com, caddr_t data); }
	SYS_REBOOT        = 55  // { int reboot(int opt); }

//go:cgo_import_dynamic libc_accept accept "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Openat openat "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_ptrace64 ptrace64 "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Acct acct "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Chdir chdir "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Chmod chmod "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Chown chown "libc.a/shr_64.o"