int fstatfs(int, uintptr_t);
int ftruncate(int, long long);
int getegid();
int geteuid();
int getgid();
int getuid();
int lchown(uintptr_t, int, int);
int listen(int, int);
int lstat(uintptr_t, uintptr_t);
int pause();
int pread64(int, uintptr_t, size_t, long long);
int pwrite64(int, uintptr_t, size_t, long long);
#define c_select select
int select(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);

//go:noescape
func bpxcall(plist []unsafe.Pointer, bpx_offset int64)

//go:noescape
func A2e([]byte)

//go:noescape
func E2a([]byte)

const (
	BPX4STA = 192  // stat
	BPX4FST = 104  // fstat
	BPX4LST = 132  // lstat
	BPX4OPN = 156  // open
	BPX4CLO = 72   // close
	BPX4CHR = 500  // chattr
	BPX4FCR = 504  // fchattr
	BPX4LCR = 1180 // lchattr
	BPX4CTW = 492  // cond_timed_wait
	BPX4GTH = 1056 // __getthent

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

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

func lstat(path string, st *stat_t) (err error) {
	var _p0 *byte
	_p0, err = BytePtrFromString(path)
	if err != nil {
		return
	}
	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(st)), 0)

//go:cgo_import_dynamic libc_Lchown lchown "libc.so"
//go:cgo_import_dynamic libc_Link link "libc.so"
//go:cgo_import_dynamic libc___xnet_listen __xnet_listen "libsocket.so"
//go:cgo_import_dynamic libc_Lstat lstat "libc.so"
//go:cgo_import_dynamic libc_Mkdir mkdir "libc.so"
//go:cgo_import_dynamic libc_Mknod mknod "libc.so"
//go:cgo_import_dynamic libc_Nanosleep nanosleep "libc.so"
//go:cgo_import_dynamic libc_Open open "libc.so"

	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

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

func Lstat(path string, stat *Stat_t) (err error) {
	var _p0 *byte
	_p0, err = BytePtrFromString(path)
	if err != nil {
		return
	}

//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (euid int)
//sysnb	Getgid() (gid int)
//sysnb	Getuid() (uid int)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Listen(s int, n int) (err error)
//sys	lstat(path string, stat *Stat_t) (err error)
//sys	Pause() (err error)
//sys	pread(fd int, p []byte, offset int64) (n int, err error) = pread64
//sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64

		return err
	}

	return nil
}

func Stat(path string, st *Stat_t) (err error) {
	return Fstatat(AT_FDCWD, path, st, 0)
}

func Lstat(path string, st *Stat_t) (err error) {
	return Fstatat(AT_FDCWD, path, st, AT_SYMLINK_NOFOLLOW)
}

func Getdents(fd int, buf []byte) (n int, err error) {
	return Getdirentries(fd, buf, nil)
}

//sys	Kill(pid int, signum Signal) (err error)
//sys	Lchown(path string, uid int, gid int) (err error)
//sys	Link(path string, link string) (err error)
//sys	Listen(s int, backlog int) (err error) = libsocket.__xnet_listen
//sys	Lstat(path string, stat *Stat_t) (err error)
//sys	Mkdir(path string, mode uint32) (err error)
//sys	Mknod(path string, mode uint32, dev int) (err error)
//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)

	SYS_STAT                   = 475 // { int stat(const char *path, struct stat *ub); }
	SYS_FSTAT                  = 476 // { int fstat(int fd, struct stat *sb); }
	SYS_LSTAT                  = 477 // { int lstat(const char *path, struct stat *ub); }
	SYS_FHSTAT                 = 478 // { int fhstat(const struct fhandle *u_fhp, struct stat *sb); }
	SYS_GETDIRENTRIES          = 479 // { int getdirentries(int fd, char *buf, u_int count, \

		}
	}

	return false, nil
}

// shouldWriteFile returns whether a new version of a file should be written to disk.
func shouldWriteFile(path string, content []byte) (bool, error) {
	_, err := os.Lstat(path)
	if os.IsNotExist(err) {
		return true, nil
	}

	contentOnFs, err := os.ReadFile(path)
	if err != nil {
		return false, err
	}

	return !bytes.Equal(content, contentOnFs), nil
}