diff --git a/unix/syscall_aix.go b/unix/syscall_aix.go
index a079243..1aa065f 100644
--- a/unix/syscall_aix.go
+++ b/unix/syscall_aix.go
@@ -280,6 +280,22 @@
 	return -1, ENOSYS
 }
 
+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) {
+	reclen, ok := direntReclen(buf)
+	if !ok {
+		return 0, false
+	}
+	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
+}
+
 //sys	getdirent(fd int, buf []byte) (n int, err error)
 func Getdents(fd int, buf []byte) (n int, err error) {
 	return getdirent(fd, buf)