pkg syscall (freebsd-386), func Mknod(string, uint32, uint64) error
pkg syscall (freebsd-386), type Dirent struct, Fileno uint64
pkg syscall (freebsd-386), type Dirent struct, Namlen uint16
pkg syscall (freebsd-386), type Dirent struct, Off int64
pkg syscall (freebsd-386), type Dirent struct, Pad0 uint8
pkg syscall (freebsd-386), type Dirent struct, Pad1 uint16
pkg syscall (freebsd-386), type Stat_t struct, Atim_ext int32

}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Reclen), unsafe.Sizeof(syscall.Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	reclen, ok := direntReclen(buf)
	if !ok {
		return 0, false
	}
	return reclen - uint64(unsafe.Offsetof(syscall.Dirent{}.Name)), true
}

func direntType(buf []byte) FileMode {
	return ^FileMode(0) // unknown

func IsStandardPackage(goroot, compiler, path string) bool {
	switch compiler {
	case "gc":
		dir := filepath.Join(goroot, "src", path)
		dirents, err := os.ReadDir(dir)
		if err != nil {
			return false
		}
		for _, dirent := range dirents {
			if strings.HasSuffix(dirent.Name(), ".go") {
				return true
			}
		}
		return false
	case "gccgo":
		return stdpkg[path]
	default:

	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Fileno), unsafe.Sizeof(syscall.Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Reclen), unsafe.Sizeof(syscall.Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Namlen), unsafe.Sizeof(syscall.Dirent{}.Namlen))
}

	}
	if len(buf) < int(dirent.Reclen) {
		return consumed, nil, typ, fmt.Errorf("buf size %d < record length %d", len(buf), dirent.Reclen)
	}
	consumed = int(dirent.Reclen)
	if direntInode(dirent) == 0 { // File absent in directory.
		return
	}
	switch dirent.Type {
	case syscall.DT_REG:
		typ = 0
	case syscall.DT_DIR:
		typ = os.ModeDir

package os

import (
	"syscall"
	"unsafe"
)

// https://github.com/WebAssembly/WASI/blob/main/legacy/preview1/docs.md#-dirent-record
const sizeOfDirent = 24

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Ino), unsafe.Sizeof(syscall.Dirent{}.Ino))
}

func direntReclen(buf []byte) (uint64, bool) {
	namelen, ok := direntNamlen(buf)
	return sizeOfDirent + namelen, ok
}

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import "syscall"

func direntInode(dirent *syscall.Dirent) uint64 {
	return uint64(dirent.Fileno)

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import "syscall"

func direntNamlen(dirent *syscall.Dirent) (uint64, error) {
	return uint64(dirent.Namlen), nil

	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Fileno), unsafe.Sizeof(syscall.Dirent{}.Fileno))
}

func direntReclen(buf []byte) (uint64, bool) {
	namlen, ok := direntNamlen(buf)
	if !ok {
		return 0, false
	}
	return (16 + namlen + 1 + 7) &^ 7, true
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Namlen), unsafe.Sizeof(syscall.Dirent{}.Namlen))
}

func direntIno(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
}

func direntReclen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}