diff --git a/src/fs/iso/iso9660.rs b/src/fs/iso/iso9660.rs
new file mode 100644
index 0000000..9eb5c56
--- /dev/null
+++ b/src/fs/iso/iso9660.rs
@@ -0,0 +1,25 @@
+#[repr(C, packed)]
+pub struct IsoPathTable {
+    idf_len: u8, // Identifier name length
+    ext_size: u8, // Extended attribute record length
+    data_blk: u8, // File data block index
+    parent_dir: u16, // Number of the parent dir
+    // idf: [char] // Directory name, of size Self::idf_len
+}
+
+impl IsoPathTable {
+    pub fn from(mapping: &u8) -> &Self {
+        let ptr: *const u8 = mapping;
+        let path_table_ptr: *const IsoPathTable = ptr as *const IsoPathTable;
+        unsafe {
+            &*path_table_ptr
+        }
+    }
+
+    pub fn get_idf(&self) -> *const char {
+        let ptr: *const IsoPathTable = self;
+        unsafe {
+            ptr.offset(1) as *const char
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/fs/iso/mod.rs b/src/fs/iso/mod.rs
new file mode 100644
index 0000000..481c442
--- /dev/null
+++ b/src/fs/iso/mod.rs
@@ -0,0 +1 @@
+mod iso9660;
\ No newline at end of file