diff --git a/_dict.vp b/_dict.vp
index 0f856f7..9bf99e7 100644
--- a/_dict.vp
+++ b/_dict.vp
@@ -42,14 +42,14 @@ class dict:
     __values__:     t.CPtr
     __count__:      t.CSizeT = 0
     __capacity__:   t.CSizeT = 8
-    __mbuddy__:     memhub.MemBuddy | t.CPtr
+    __mbuddy__:     rawptr[memhub.MemBuddy]
     __iter_index__: t.CSizeT = 0
 
-    def __new__(self, mb: memhub.MemBuddy | t.CPtr) -> t.CPtr:
+    def __new__(self, mb: rawptr[memhub.MemBuddy]) -> t.CPtr:
         # Heap allocation for dict object
         return mb.alloc(dict.__sizeof__())
 
-    def __init__(self, mb: memhub.MemBuddy | t.CPtr):
+    def __init__(self, mb: rawptr[memhub.MemBuddy]):
         self.__mbuddy__ = mb
         self.__keys__   = mb.alloc(self.__capacity__ * 8)
         self.__values__ = mb.alloc(self.__capacity__ * _VARIANT_SIZE)
@@ -194,10 +194,10 @@ class dict:
     # JSON utilities: serialization / deserialization via includes/json library
     # ============================================================
 
-    def to_json(self, pool: memhub.MemManager | t.CPtr) -> json.JsonValue | t.CPtr:
+    def to_json(self, pool: rawptr[memhub.MemManager]) -> rawptr[json.JsonValue]:
         """Convert dict instance to JsonValue object (JSON_OBJECT).
         Automatically select corresponding JSON value type according to Variant tag."""
-        obj: json.JsonValue | t.CPtr = json.object(pool)
+        obj: rawptr[json.JsonValue] = json.object(pool)
         i: t.CSizeT = 0
         while i < self.__count__:
             key_ptr: str | t.CPtr = t.CPtr(t.CUInt64T(self.__keys__) + i * 8)
@@ -205,7 +205,7 @@ class dict:
             val_ptr: str | t.CPtr = t.CPtr(t.CUInt64T(self.__values__) + i * _VARIANT_SIZE + 8)
             vt: t.CInt = vtype_ptr[0]
             vp: t.CPtr = val_ptr[0]
-            jv: json.JsonValue | t.CPtr = json.null(pool)
+            jv: rawptr[json.JsonValue] = json.null(pool)
             if jv != None:
                 if vt == VARIANT_INT:
                     jv.vtype = 2  # JSON_INT
@@ -231,14 +231,14 @@ class dict:
             i += 1
         return obj
 
-    def from_json(self, pool: memhub.MemManager | t.CPtr, root: json.JsonValue | t.CPtr):
+    def from_json(self, pool: rawptr[memhub.MemManager], root: rawptr[json.JsonValue]):
         """Populate dict from JsonValue object.
         Extract values and store them as matching Variant types based on JSON type tag."""
         if root == None:
             return
         if root.vtype != 6:  # JSON_OBJECT
             return
-        cur: json.JsonValue | t.CPtr = root.child
+        cur: rawptr[json.JsonValue] = root.child
         while cur != None:
             if cur.key != None:
                 if cur.vtype == 2:  # JSON_INT
@@ -260,12 +260,12 @@ class dict:
                     self._set_variant_raw(cur.key, VARIANT_FLOAT, storage)
             cur = cur.next
 
-    def dumps(self, pool: memhub.MemManager | t.CPtr) -> str:
+    def dumps(self, pool: rawptr[memhub.MemManager]) -> str:
         """Serialize dict to JSON string."""
-        obj: json.JsonValue | t.CPtr = self.to_json(pool)
+        obj: rawptr[json.JsonValue] = self.to_json(pool)
         return json.write(pool, obj, False)
 
-    def loads(self, pool: memhub.MemManager | t.CPtr, json_str: str):
+    def loads(self, pool: rawptr[memhub.MemManager], json_str: str):
         """Parse JSON string and populate dict instance."""
-        root: json.JsonValue | t.CPtr = json.parse(pool, json_str)
+        root: rawptr[json.JsonValue] = json.parse(pool, json_str)
         self.from_json(pool, root)
diff --git a/_fakeduck.vp b/_fakeduck.vp
index 2f45393..1cf05c5 100644
--- a/_fakeduck.vp
+++ b/_fakeduck.vp
@@ -13,7 +13,7 @@ class _str:
     # (optional; no error will be raised if the field cannot be located)
     __requires__: list[str] = ['__mbuddy__']
     __data__: str
-    __mbuddy__: memhub.MemBuddy | t.CPtr
+    __mbuddy__: rawptr[memhub.MemBuddy]
 
     def upper(self) -> str:
         src: str = self.__data__
diff --git a/_list.vp b/_list.vp
index 19a5aec..6408219 100644
--- a/_list.vp
+++ b/_list.vp
@@ -24,15 +24,15 @@ class list[T]:
     __data__:       t.CPtr
     __count__:      t.CSizeT
     __capacity__:   t.CSizeT
-    __pool__:       memhub.MemManager | t.CPtr
+    __pool__:       rawptr[memhub.MemManager]
     __elem_size__:  t.CSizeT
     __iter_index__: t.CSizeT
 
-    def __new__(self, pool: memhub.MemManager | t.CPtr, elem_size: t.CSizeT = 0):
+    def __new__(self, pool: rawptr[memhub.MemManager], elem_size: t.CSizeT = 0):
         ret = pool.alloc(48)
         return ret
 
-    def __init__(self, pool: memhub.MemManager | t.CPtr, elem_size: t.CSizeT = 0):
+    def __init__(self, pool: rawptr[memhub.MemManager], elem_size: t.CSizeT = 0):
         self.__pool__       = pool
         self.__count__      = 0
         self.__capacity__   = 8
diff --git a/argparse.vp b/argparse.vp
index c9efd7b..05da897 100644
--- a/argparse.vp
+++ b/argparse.vp
@@ -43,7 +43,7 @@ COUNT: t.CDefine = 3
 MAX_ARGS: t.CDefine = 32
 
 # Module-level membuddy pointer (assigned inside main by user)
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # ============================================================
@@ -68,13 +68,13 @@ class Argument:
 # ============================================================
 
 class ParsedArgs:
-    _ht: hashtable.HashTable | t.CPtr
-    __mbuddy__: memhub.MemBuddy | t.CPtr
+    _ht: rawptr[hashtable.HashTable]
+    __mbuddy__: rawptr[memhub.MemBuddy]
 
-    def __new__(self, mb: memhub.MemBuddy | t.CPtr) -> t.CPtr:
+    def __new__(self, mb: rawptr[memhub.MemBuddy]) -> t.CPtr:
         return mb.alloc(16)
 
-    def __init__(self, mb: memhub.MemBuddy | t.CPtr):
+    def __init__(self, mb: rawptr[memhub.MemBuddy]):
         self.__mbuddy__ = mb
         self._ht = hashtable.HashTable(mb)
 
@@ -125,19 +125,19 @@ class ArgumentParser:
     _description: str
     _args: Argument | t.CPtr
     _arg_count: int
-    __mbuddy__: memhub.MemBuddy | t.CPtr
+    __mbuddy__: rawptr[memhub.MemBuddy]
 
     def __new__(self, prog: str = "", description: str = "",
-                pool: memhub.MemBuddy | t.CPtr = None) -> t.CPtr:
-        mb: memhub.MemBuddy | t.CPtr = pool
+                pool: rawptr[memhub.MemBuddy] = None) -> t.CPtr:
+        mb: rawptr[memhub.MemBuddy] = pool
         if mb is None:
             mb = _mbuddy
         ret: t.CPtr = mb.alloc(40)
         return ret
 
     def __init__(self, prog: str = "", description: str = "",
-                 pool: memhub.MemBuddy | t.CPtr = None):
-        mb: memhub.MemBuddy | t.CPtr = pool
+                 pool: rawptr[memhub.MemBuddy] = None):
+        mb: rawptr[memhub.MemBuddy] = pool
         if mb is None:
             mb = _mbuddy
         self.__mbuddy__ = mb
@@ -453,7 +453,7 @@ def release(args: ParsedArgs | t.CPtr):
         # 用临时变量拆分链式属性访问，避免 args._ht.__slots__ 跨模块类型推断失败
         # 注意：类型注解必须用 hashtable.HashTable（带模块前缀），
         # 否则编译器无法解析 HashTable 类型，导致 ht.__slots__ 属性访问失败
-        ht: hashtable.HashTable | t.CPtr = args._ht
+        ht: rawptr[hashtable.HashTable] = args._ht
         if ht.__slots__ is not None:
             args.__mbuddy__.free(ht.__slots__)
         args.__mbuddy__.free(t.CPtr(t.CUInt64T(ht)))
diff --git a/gzip.vp b/gzip.vp
index ab50d04..c79ee67 100644
--- a/gzip.vp
+++ b/gzip.vp
@@ -6,7 +6,7 @@
 # 内部位流/Huffman 助手为模块级私有函数。
 #
 # 用法:
-#   gz: gzip.GzipFile | t.CPtr = gzip.GzipFile("train-images-idx3-ubyte.gz")
+#   gz: rawptr[gzip.GzipFile] = gzip.GzipFile("train-images-idx3-ubyte.gz")
 #   if gz is None or gz.ok == 0: ...
 #   buf: bytes = gz.read_all()     # 内部 malloc, read_all 返回即解压完成
 #   n: t.CSizeT = gz.dst_len       # 原始长度(由对象持有, close 时释放)
@@ -44,7 +44,7 @@ class GzipFile:
         if path is None:
             self.err = -1
             return
-        f: fileio.File | t.CPtr = fileio.File(path, fileio.MODE.R)
+        f: rawptr[fileio.File] = fileio.File(path, fileio.MODE.R)
         if f.closed:
             self.err = -2       # 打不开文件
             return
diff --git a/hashtable.vp b/hashtable.vp
index 8a7444e..3decf0e 100644
--- a/hashtable.vp
+++ b/hashtable.vp
@@ -51,14 +51,14 @@ class HashTable:
     __count__:      t.CSizeT = 0                  # Number of occupied entries
     __capacity__:   t.CSizeT = 16                 # Total slot count (power of two)
     __tombstones__: t.CSizeT = 0                  # Tombstone entry count
-    __mbuddy__:     memhub.MemBuddy | t.CPtr
+    __mbuddy__:     rawptr[memhub.MemBuddy]
     __iter_index__: t.CSizeT = 0
 
-    def __new__(self, mb: memhub.MemBuddy | t.CPtr) -> t.CPtr:
+    def __new__(self, mb: rawptr[memhub.MemBuddy]) -> t.CPtr:
         # Heap-allocate HashTable object (6 fields × 8 bytes = 48 bytes)
         return mb.alloc(48)
 
-    def __init__(self, mb: memhub.MemBuddy | t.CPtr):
+    def __init__(self, mb: rawptr[memhub.MemBuddy]):
         self.__mbuddy__ = mb
         self.__capacity__ = _HT_INIT_CAP
         self.__count__ = 0
diff --git a/memhub.vp b/memhub.vp
index 22b1c2a..27baac1 100644
--- a/memhub.vp
+++ b/memhub.vp
@@ -211,8 +211,8 @@ class MemManager:
     def __exit__(self):
         self.reset()
 
-    def alloc_buf(self, capacity: t.CSizeT) -> viperio.Buf | t.CPtr:
-        buf: viperio.Buf | t.CPtr = self.alloc(viperio.Buf.__sizeof__())
+    def alloc_buf(self, capacity: t.CSizeT) -> rawptr[viperio.Buf]:
+        buf: rawptr[viperio.Buf] = self.alloc(viperio.Buf.__sizeof__())
         if buf is None:
             return None
         data_ptr: t.CPtr = self.alloc(capacity)
diff --git a/numpy/__init__.vp b/numpy/__init__.vp
index f8e5456..ab16a29 100644
--- a/numpy/__init__.vp
+++ b/numpy/__init__.vp
@@ -38,9 +38,9 @@ class ndarray[T]:
     ndim: t.CInt
     size: t.CSizeT
     owns_data: t.CInt
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
 
-    def __new__(self, pool: memhub.MemManager | t.CPtr, n: t.CSizeT):
+    def __new__(self, pool: rawptr[memhub.MemManager], n: t.CSizeT):
         self.pool = pool
         self.data = pool.alloc(n * T.__sizeof__())
         if self.data:
@@ -295,7 +295,7 @@ Uint8Array:   t.CTypedef = ndarray[t.CUnsignedChar]
 # Internal helpers (specialized for float64 by default)
 # Use _alloc_ndarray_t[T] / _empty_like_t[T] for other types
 # ============================================================
-def _alloc_ndarray(pool: memhub.MemManager | t.CPtr) -> ndarray[t.CDouble] | t.CPtr:
+def _alloc_ndarray(pool: rawptr[memhub.MemManager]) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = pool.alloc(ndarray[t.CDouble].__sizeof__())
     if a:
         string.memset(a, 0, ndarray[t.CDouble].__sizeof__())
@@ -330,7 +330,7 @@ def _empty_like(a: ndarray[t.CDouble] | t.CPtr) -> ndarray[t.CDouble] | t.CPtr:
 # ============================================================
 # Array creation functions (float64 default)
 # ============================================================
-def array(pool: memhub.MemManager | t.CPtr, data: t.CDouble | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def array(pool: rawptr[memhub.MemManager], data: t.CDouble | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = _alloc_ndarray(pool)
     if not a: return None
     a.data = pool.alloc(n * t.CDouble.__sizeof__())
@@ -346,7 +346,7 @@ def array(pool: memhub.MemManager | t.CPtr, data: t.CDouble | t.CPtr, n: t.CSize
     a.owns_data = 1
     return a
 
-def zeros(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def zeros(pool: rawptr[memhub.MemManager], n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = _alloc_ndarray(pool)
     if not a: return None
     a.data = pool.alloc(n * t.CDouble.__sizeof__())
@@ -362,19 +362,19 @@ def zeros(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] |
     a.owns_data = 1
     return a
 
-def ones(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def ones(pool: rawptr[memhub.MemManager], n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = zeros(pool, n)
     if not a: return None
     a.fill(t.CDouble(1.0))
     return a
 
-def full(pool: memhub.MemManager | t.CPtr, n: t.CSizeT, val: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
+def full(pool: rawptr[memhub.MemManager], n: t.CSizeT, val: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = zeros(pool, n)
     if not a: return None
     a.fill(val)
     return a
 
-def arange(pool: memhub.MemManager | t.CPtr, start: t.CDouble, stop: t.CDouble, step: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
+def arange(pool: rawptr[memhub.MemManager], start: t.CDouble, stop: t.CDouble, step: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
     if step == t.CDouble(0.0): return None
     n: t.CSizeT = 0
     if step > t.CDouble(0.0):
@@ -398,7 +398,7 @@ def arange(pool: memhub.MemManager | t.CPtr, start: t.CDouble, stop: t.CDouble,
         i += 1
     return a
 
-def linspace(pool: memhub.MemManager | t.CPtr, start: t.CDouble, stop: t.CDouble, num: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def linspace(pool: rawptr[memhub.MemManager], start: t.CDouble, stop: t.CDouble, num: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     if num == 0: return None
     a: ndarray[t.CDouble] | t.CPtr = zeros(pool, num)
     if not a: return None
@@ -412,7 +412,7 @@ def linspace(pool: memhub.MemManager | t.CPtr, start: t.CDouble, stop: t.CDouble
         i += 1
     return a
 
-def empty2d(pool: memhub.MemManager | t.CPtr, rows: t.CSizeT, cols: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def empty2d(pool: rawptr[memhub.MemManager], rows: t.CSizeT, cols: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = _alloc_ndarray(pool)
     if not a: return None
     total: t.CSizeT = rows * cols
@@ -430,16 +430,16 @@ def empty2d(pool: memhub.MemManager | t.CPtr, rows: t.CSizeT, cols: t.CSizeT) ->
     _compute_strides(a)
     return a
 
-def zeros2d(pool: memhub.MemManager | t.CPtr, rows: t.CSizeT, cols: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def zeros2d(pool: rawptr[memhub.MemManager], rows: t.CSizeT, cols: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     return empty2d(pool, rows, cols)
 
-def ones2d(pool: memhub.MemManager | t.CPtr, rows: t.CSizeT, cols: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def ones2d(pool: rawptr[memhub.MemManager], rows: t.CSizeT, cols: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = empty2d(pool, rows, cols)
     if not a: return None
     a.fill(t.CDouble(1.0))
     return a
 
-def eye(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def eye(pool: rawptr[memhub.MemManager], n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = empty2d(pool, n, n)
     if not a: return None
     i: t.CSizeT = 0
@@ -448,7 +448,7 @@ def eye(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t
         i += 1
     return a
 
-def diag(pool: memhub.MemManager | t.CPtr, vals: ndarray[t.CDouble] | t.CPtr) -> ndarray[t.CDouble] | t.CPtr:
+def diag(pool: rawptr[memhub.MemManager], vals: ndarray[t.CDouble] | t.CPtr) -> ndarray[t.CDouble] | t.CPtr:
     n: t.CSizeT = vals.size
     a: ndarray[t.CDouble] | t.CPtr = empty2d(pool, n, n)
     if not a: return None
@@ -1033,10 +1033,10 @@ def np_greater_equal(a: ndarray[t.CDouble] | t.CPtr, b: ndarray[t.CDouble] | t.C
 # ============================================================
 # Additional creation functions (float64 default)
 # ============================================================
-def empty(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
+def empty(pool: rawptr[memhub.MemManager], n: t.CSizeT) -> ndarray[t.CDouble] | t.CPtr:
     return zeros(pool, n)
 
-def full2d(pool: memhub.MemManager | t.CPtr, rows: t.CSizeT, cols: t.CSizeT, val: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
+def full2d(pool: rawptr[memhub.MemManager], rows: t.CSizeT, cols: t.CSizeT, val: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
     a: ndarray[t.CDouble] | t.CPtr = empty2d(pool, rows, cols)
     if not a: return None
     a.fill(val)
@@ -1066,10 +1066,10 @@ def ones_like(a: ndarray[t.CDouble] | t.CPtr) -> ndarray[t.CDouble] | t.CPtr:
     result.fill(t.CDouble(1.0))
     return result
 
-def arange1(pool: memhub.MemManager | t.CPtr, stop: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
+def arange1(pool: rawptr[memhub.MemManager], stop: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
     return arange(pool, t.CDouble(0.0), stop, t.CDouble(1.0))
 
-def linspace2(pool: memhub.MemManager | t.CPtr, start: t.CDouble, stop: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
+def linspace2(pool: rawptr[memhub.MemManager], start: t.CDouble, stop: t.CDouble) -> ndarray[t.CDouble] | t.CPtr:
     return linspace(pool, start, stop, 50)
 
 def meshgrid(x: ndarray[t.CDouble] | t.CPtr, y: ndarray[t.CDouble] | t.CPtr) -> ndarray[t.CDouble] | t.CPtr:
diff --git a/os/__init__.vp b/os/__init__.vp
index daf8635..b6b8857 100644
--- a/os/__init__.vp
+++ b/os/__init__.vp
@@ -12,7 +12,7 @@ import os._posix
 # os.path is for cross-platform pure string operations, can be used directly
 
 # Module-level global MBuddy pointer (initialized by the user in main)
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
diff --git a/os/_posix.vp b/os/_posix.vp
index 4702782..19df9d4 100644
--- a/os/_posix.vp
+++ b/os/_posix.vp
@@ -9,14 +9,14 @@ import stdlib
 MAX_PATH_LEN: t.CDefine = 4096
 
 # 模块级全局 MBuddy 指针（由用户在 main 中赋值初始化）
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
 # 文件/目录属性查询
 # =============================================================================
 
-def _stat(path: str) -> posix.Stat | t.CPtr:
+def _stat(path: str) -> rawptr[posix.Stat]:
     """调用 stat 并返回 Stat 结构体指针。失败返回 None。
     注意：Stat 结构体通过 _mbuddy 分配，调用者负责释放。"""
     st: posix.Stat = posix.Stat()
@@ -149,7 +149,7 @@ def listdir(path: str, out_names: str, max_count: ULONG) -> ULONG:
 
     count: ULONG = 0
     while count < max_count:
-        entry: posix.Dirent | t.CPtr = posix.readdir(dirp)
+        entry: rawptr[posix.Dirent] = posix.readdir(dirp)
         if entry == None:
             break
 
diff --git a/os/_win32.vp b/os/_win32.vp
index a322062..fbabe2e 100644
--- a/os/_win32.vp
+++ b/os/_win32.vp
@@ -13,7 +13,7 @@ MAX_PATH_LEN: t.CDefine = 260
 INVALID_FILE_ATTRIBUTES: t.CDefine = 0xFFFFFFFF
 
 # 模块级全局 MBuddy 指针（由用户在 main 中赋值初始化）
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
diff --git a/os/path.vp b/os/path.vp
index ef6be80..3ca630b 100644
--- a/os/path.vp
+++ b/os/path.vp
@@ -6,7 +6,7 @@ import platmacro
 
 
 # 模块级全局 MBuddy 指针（由用户在 main 中赋值初始化）
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
diff --git a/requests/__init__.vp b/requests/__init__.vp
index d8aa67a..1152ade 100644
--- a/requests/__init__.vp
+++ b/requests/__init__.vp
@@ -25,7 +25,7 @@ import zlib.pyzlib as pyzlib
 # ============================================================
 
 # Module-level global MBuddy pointer (assigned by the user in main)
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 # Socket initialization flag
 _socket_ready: bool = False
diff --git a/requests/download.vp b/requests/download.vp
index 6b10797..a83063c 100644
--- a/requests/download.vp
+++ b/requests/download.vp
@@ -380,7 +380,7 @@ def download(url: str, path: str, threads: INT = 1,
         job.status = 0
         ctxs[i] = t.CPtr(t.CUInt64T(job))
 
-        th: vt.Thread | t.CPtr = vt.Thread(_dl_worker, ctxs[i])
+        th: rawptr[vt.Thread] = vt.Thread(_dl_worker, ctxs[i])
         if th is None:
             stdlib.free(job.buf)
             stdlib.free(job.path)
diff --git a/requests/https.vp b/requests/https.vp
index b486c72..9cbf894 100644
--- a/requests/https.vp
+++ b/requests/https.vp
@@ -224,7 +224,7 @@ def _TlsErrText():
 # 核心请求
 # ============================================================
 
-def _HttpsRequest(method: str, url: str, verify: bool, ca_file: str, data: str, content_type: str, auth: str = None) -> requests.Response | t.CPtr:
+def _HttpsRequest(method: str, url: str, verify: bool, ca_file: str, data: str, content_type: str, auth: str = None) -> rawptr[requests.Response]:
     """HTTPS GET/POST 核心实现。
 
     verify=False 时跳过证书链/主机名校验（不推荐）；verify=True 时
@@ -237,7 +237,7 @@ def _HttpsRequest(method: str, url: str, verify: bool, ca_file: str, data: str,
 
     _last_verify_flag = 1 if verify else 0
 
-    resp: requests.Response | t.CPtr = requests.create_response()
+    resp: rawptr[requests.Response] = requests.create_response()
     if resp is None: return None
 
     if _EnsureReady() != 0:
@@ -487,7 +487,7 @@ def _HttpsRequest(method: str, url: str, verify: bool, ca_file: str, data: str,
 # 公共 API
 # ============================================================
 
-def _HttpsRedirectLoop(method: str, url: str, verify: bool, ca_file: str, data: str, content_type: str, auth: str = None) -> requests.Response | t.CPtr:
+def _HttpsRedirectLoop(method: str, url: str, verify: bool, ca_file: str, data: str, content_type: str, auth: str = None) -> rawptr[requests.Response]:
     """HTTPS GET/POST + 重定向跟随（跨 http/https，最多 5 跳）。
 
     auth（可选）原样透传给 _HttpsRequest；None 时行为与原来完全一致。
@@ -505,7 +505,7 @@ def _HttpsRedirectLoop(method: str, url: str, verify: bool, ca_file: str, data:
 
     hop: INT = 0
     while hop < 5:
-        resp: requests.Response | t.CPtr = _HttpsRequest(method, cur, verify, ca_file, data, content_type, auth)
+        resp: rawptr[requests.Response] = _HttpsRequest(method, cur, verify, ca_file, data, content_type, auth)
         if resp is None:
             requests._mbuddy.free(cur)
             return None
@@ -542,7 +542,7 @@ def _HttpsRedirectLoop(method: str, url: str, verify: bool, ca_file: str, data:
         if string.strncmp(nxt, "https://", 8) != 0:
             requests._mbuddy.free(loc)
             requests._mbuddy.free(cur)
-            http_resp: requests.Response | t.CPtr = requests.get(nxt)
+            http_resp: rawptr[requests.Response] = requests.get(nxt)
             requests._mbuddy.free(nxt)
             return http_resp
 
@@ -556,7 +556,7 @@ def _HttpsRedirectLoop(method: str, url: str, verify: bool, ca_file: str, data:
     return None
 
 
-def get(url: str, verify: bool = True, ca_file: str = None) -> requests.Response | t.CPtr:
+def get(url: str, verify: bool = True, ca_file: str = None) -> rawptr[requests.Response]:
     """HTTPS GET request（自动跟随 3xx 重定向，最多 5 跳）。
 
     Args:
@@ -570,7 +570,7 @@ def get(url: str, verify: bool = True, ca_file: str = None) -> requests.Response
 
 
 def post(url: str, data: str = None, content_type: str = "application/x-www-form-urlencoded",
-         verify: bool = True, ca_file: str = None, auth: str = None) -> requests.Response | t.CPtr:
+         verify: bool = True, ca_file: str = None, auth: str = None) -> rawptr[requests.Response]:
     """HTTPS POST request（自动跟随 3xx 重定向，最多 5 跳）。
 
     Args:
@@ -599,20 +599,20 @@ def post(url: str, data: str = None, content_type: str = "application/x-www-form
 #       （_st_state=2，失败原因见 stream_error_text()/last_error()）。
 # ============================================================
 
-def _SseDeltaContent(root: json.JsonValue | t.CPtr) -> str:
+def _SseDeltaContent(root: rawptr[json.JsonValue]) -> str:
     """从流式 data 事件取 choices[0].delta.content；缺失返回 None。"""
     if root is None or not root.is_object():
         return None
-    cv: json.JsonValue | t.CPtr = root["choices"]
+    cv: rawptr[json.JsonValue] = root["choices"]
     if cv is None or not cv.is_array():
         return None
-    m0: json.JsonValue | t.CPtr = cv.get_item(0)
+    m0: rawptr[json.JsonValue] = cv.get_item(0)
     if m0 is None or not m0.is_object():
         return None
-    dv: json.JsonValue | t.CPtr = m0["delta"]
+    dv: rawptr[json.JsonValue] = m0["delta"]
     if dv is None or not dv.is_object():
         return None
-    content_v: json.JsonValue | t.CPtr = dv["content"]
+    content_v: rawptr[json.JsonValue] = dv["content"]
     if content_v is None or not content_v.is_string():
         return None
     return content_v.as_string()
@@ -820,7 +820,7 @@ def post_stream(url: str, data: str, content_type: str = "application/json",
         sock.close()
         requests._mbuddy.free(errmsg)
         return -1
-    jpool: memhub.MemPool | t.CPtr = memhub.MemPool(pmem, 524288)
+    jpool: rawptr[memhub.MemPool] = memhub.MemPool(pmem, 524288)
 
     leftover: t.CArray[t.CChar, 16384]
     llen: INT = 0
@@ -880,7 +880,7 @@ def post_stream(url: str, data: str, content_type: str = "application/json",
                         if pl[0] != 0:
                             if string.strncmp(pl, "[DONE]", 6) != 0 or pl[6] != 0:
                                 jpool.reset()
-                                ev: json.JsonValue | t.CPtr = json.parse(jpool, pl)
+                                ev: rawptr[json.JsonValue] = json.parse(jpool, pl)
                                 dtx: str = _SseDeltaContent(ev)
                                 if dtx is not None:
                                     _StreamAppendContent(dtx)
diff --git a/shutil.vp b/shutil.vp
index ed7e578..2ba97d4 100644
--- a/shutil.vp
+++ b/shutil.vp
@@ -16,7 +16,7 @@ import posix
 COPY_BUF_SIZE: t.CDefine = 65536 # 2^16
 
 # Module-level global MBuddy pointer (initialized by the user in main)
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
@@ -193,7 +193,7 @@ def _rmtree_posix(path: str) -> int:
 
     path_len: t.CSizeT = len(path)
     result: int = 0
-    entry: posix.Dirent | t.CPtr = posix.readdir(dirp)
+    entry: rawptr[posix.Dirent] = posix.readdir(dirp)
     while entry != None:
         name: str = entry.d_name
         # Skip . and ..
diff --git a/socket.vp b/socket.vp
index a39826a..5513e3c 100644
--- a/socket.vp
+++ b/socket.vp
@@ -123,7 +123,7 @@ def _MakeAddr(host: str, port: INT) -> SocketAddr:
     # DNS resolution — gethostbyname returns struct hostent*
     # h_addr_list is char** → h_addr_list[0] is char* → *(uint32_t*)h_addr_list[0] is IP
     if platmacro.IS_WINDOWS:
-        he_raw: w32.winsock2.WSAHostEnt | t.CPtr = w32.winsock2.gethostbyname(host)
+        he_raw: rawptr[w32.winsock2.WSAHostEnt] = w32.winsock2.gethostbyname(host)
         if he_raw is not None:
             # he_raw.h_addr_list → he_raw->h_addr_list (char**)
             # c.Deref(t.CUInt64T(he_raw.h_addr_list, t.CPtr)) → *(uint64_t*)(he_raw->h_addr_list) → h_addr_list[0]
diff --git a/subprocess.vp b/subprocess.vp
index 3496993..b5969cd 100644
--- a/subprocess.vp
+++ b/subprocess.vp
@@ -18,7 +18,7 @@ import posix
 OUTPUT_BUF_SIZE: t.CDefine = 65536
 
 # Module global MBuddy pointer (initialized in main)
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
diff --git a/sys.vp b/sys.vp
index 5ba4985..b48430d 100644
--- a/sys.vp
+++ b/sys.vp
@@ -13,7 +13,7 @@ import w32.win32process
 import posix
 
 # Module global MBuddy pointer (initialized in user main), Plans to ban
-_mbuddy: memhub.MemBuddy | t.CPtr
+_mbuddy: rawptr[memhub.MemBuddy]
 
 
 # =============================================================================
diff --git a/vector.vp b/vector.vp
index ef17003..b2b7097 100644
--- a/vector.vp
+++ b/vector.vp
@@ -8,9 +8,9 @@ class Vector[T]():
     length: t.CSizeT
     capacity: t.CSizeT
     elem_size: t.CSizeT
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
 
-    def __init__(self, pool: memhub.MemManager | t.CPtr, capacity: t.CSizeT, _hint: T):
+    def __init__(self, pool: rawptr[memhub.MemManager], capacity: t.CSizeT, _hint: T):
         self.elem_size = T.__sizeof__()
         self.capacity = capacity
         self.length = 0
diff --git a/zipfile.vp b/zipfile.vp
index 560ac6a..35ee28d 100644
--- a/zipfile.vp
+++ b/zipfile.vp
@@ -11,11 +11,11 @@
 # 成员名为原始 UTF-8 字节（写入时置 flag bit 11，读取时不自动解码）。
 #
 # 用法（对齐 Python 语义，只读模式自动把整个 zip 读入内存）:
-#   w: zipfile.ZipFile | t.CPtr = zipfile.ZipFile("out.zip", "w")
+#   w: rawptr[zipfile.ZipFile] = zipfile.ZipFile("out.zip", "w")
 #   w.write("a.txt", buf, buf_len)      # 默认 ZIP_DEFLATED
 #   w.close()
 #
-#   r: zipfile.ZipFile | t.CPtr = zipfile.ZipFile("out.zip", "r")
+#   r: rawptr[zipfile.ZipFile] = zipfile.ZipFile("out.zip", "r")
 #   olen: t.CSizeT = 0
 #   data: bytes = r.read("a.txt", c.Addr(olen))   # malloc 缓冲，用后 free
 #   err = zipfile.error_code() / zipfile.error()
diff --git a/zlib/pyzlib.vp b/zlib/pyzlib.vp
index c3d12d4..ba6f308 100644
--- a/zlib/pyzlib.vp
+++ b/zlib/pyzlib.vp
@@ -68,7 +68,7 @@ pyzlib_error_code_val: t.CInt = 0
 # ============================================================
 @t.Object
 class Compress:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     stream: VOIDPTR
     is_initialized: t.CInt
     is_finished: t.CInt
@@ -141,7 +141,7 @@ class Compress:
         if not out_len:
             set_error(Z_STREAM_ERROR, "out_len is None")
             return None
-        s: zdeflate.zdeflate_stream | t.CPtr = self.stream # 隐式类型转换
+        s: rawptr[zdeflate.zdeflate_stream] = self.stream # 隐式类型转换
         if mode == Z_FINISH:
             if not self.header_written:
                 self.header_written = 1
@@ -232,7 +232,7 @@ class Compress:
             set_error(Z_MEM_ERROR, "out of memory")
             return None
         copy_obj.pool = self.pool
-        s: zdeflate.zdeflate_stream | t.CPtr = self.stream # 隐式类型转换
+        s: rawptr[zdeflate.zdeflate_stream] = self.stream # 隐式类型转换
         copy_obj.stream = s.copy()
         if not copy_obj.stream:
             if self.pool == None:
@@ -275,7 +275,7 @@ class Compress:
 
     def delete(self):
         if self.is_initialized and self.stream:
-            s: zdeflate.zdeflate_stream | t.CPtr = self.stream # 隐式类型转换
+            s: rawptr[zdeflate.zdeflate_stream] = self.stream # 隐式类型转换
             s.destroy()
         if self.pool == None:
             stdlib.free(self.zdict)
@@ -292,7 +292,7 @@ class Compress:
 
 @t.Object
 class Decompress:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     stream: VOIDPTR
     is_initialized: t.CInt
     eof: t.CInt
@@ -340,7 +340,7 @@ class Decompress:
                 p7: BYTEPTR = BYTEPTR(self.pool.alloc(1))
                 string.memset(p7, 0, 1)
                 return p7
-        s: zinflate.zinflate_stream | t.CPtr = zinflate.zinflate_create(self.pool, self.wbits)
+        s: rawptr[zinflate.zinflate_stream] = zinflate.zinflate_create(self.pool, self.wbits)
         if not s:
             set_error(Z_MEM_ERROR, "out of memory")
             return None
@@ -475,7 +475,7 @@ def set_error(code: int, msg: str):
     else:
         pyzlib_error_msg[0] = '\0'
 
-def clone_bytes(pool: memhub.MemManager | t.CPtr, src: BYTEPTR, length: t.CSizeT) -> BYTEPTR:
+def clone_bytes(pool: rawptr[memhub.MemManager], src: BYTEPTR, length: t.CSizeT) -> BYTEPTR:
     if not src or length == 0: return None
     if pool == None:
         dst: BYTEPTR = BYTEPTR(stdlib.malloc(length))
@@ -488,7 +488,7 @@ def clone_bytes(pool: memhub.MemManager | t.CPtr, src: BYTEPTR, length: t.CSizeT
 # `t.CPtr[...]` 下标时声明侧（StubGen/VpiReader）不认作 CPtr 标记，会坍缩成
 # 首段 BYTE = i8，与定义侧 i8** 不一致（跨模块调用即 ABI 错位，见
 # includes/zlib/zinflate.vp decompress 处说明）。改用"指针别名 | t.CPtr"。
-def append_bytes(pool: memhub.MemManager | t.CPtr, buf: BYTEPTR | t.CPtr, length: t.CSizeT | t.CPtr, cap: t.CSizeT | t.CPtr,
+def append_bytes(pool: rawptr[memhub.MemManager], buf: BYTEPTR | t.CPtr, length: t.CSizeT | t.CPtr, cap: t.CSizeT | t.CPtr,
                         data: BYTEPTR, data_len: t.CSizeT) -> t.CInt:
     if not data or data_len == 0: return 0
     needed: t.CSizeT = c.Deref(length) + data_len
@@ -510,7 +510,7 @@ def append_bytes(pool: memhub.MemManager | t.CPtr, buf: BYTEPTR | t.CPtr, length
     return 0
 
 
-def shrink_to_fit(pool: memhub.MemManager | t.CPtr, buf: BYTEPTR, length: t.CSizeT) -> BYTEPTR:
+def shrink_to_fit(pool: rawptr[memhub.MemManager], buf: BYTEPTR, length: t.CSizeT) -> BYTEPTR:
     if length == 0:
         if pool == None:
             stdlib.free(buf)
@@ -546,7 +546,7 @@ def clear_error():
     pyzlib_error_msg[0] = '\0'
     pyzlib_error_code_val = 0
 
-def compress(pool: memhub.MemManager | t.CPtr, data: BYTEPTR, data_len: t.CSizeT,
+def compress(pool: rawptr[memhub.MemManager], data: BYTEPTR, data_len: t.CSizeT,
                              level: t.CInt, wbits: t.CInt, out_len: t.CSizeT | t.CPtr) -> BYTEPTR:
     if not data and data_len > 0:
         set_error(Z_STREAM_ERROR, "data is None but data_len > 0")
@@ -609,7 +609,7 @@ def compress(pool: memhub.MemManager | t.CPtr, data: BYTEPTR, data_len: t.CSizeT
     return shrink_to_fit(pool, raw_result, c.Deref(out_len))
 
 
-def decompress(pool: memhub.MemManager | t.CPtr, data: BYTEPTR, data_len: t.CSizeT,
+def decompress(pool: rawptr[memhub.MemManager], data: BYTEPTR, data_len: t.CSizeT,
                                wbits: t.CInt, bufsize: t.CSizeT, out_len: t.CSizeT | t.CPtr) -> BYTEPTR:
     if not data and data_len > 0:
         set_error(Z_STREAM_ERROR, "data is None but data_len > 0")
@@ -623,7 +623,7 @@ def decompress(pool: memhub.MemManager | t.CPtr, data: BYTEPTR, data_len: t.CSiz
         return None
     return shrink_to_fit(pool, result, c.Deref(out_len))
 
-def compressobj(pool: memhub.MemManager | t.CPtr, level: t.CInt, method: t.CInt, wbits: t.CInt,
+def compressobj(pool: rawptr[memhub.MemManager], level: t.CInt, method: t.CInt, wbits: t.CInt,
                                 memLevel: t.CInt, strategy: t.CInt,
                                 zdict: BYTEPTR, zdict_len: t.CSizeT) -> Compress | t.CPtr:
     if pool == None:
@@ -637,7 +637,7 @@ def compressobj(pool: memhub.MemManager | t.CPtr, level: t.CInt, method: t.CInt,
     obj.pool = pool
     actual_wbits: t.CInt = wbits
     if wbits > MAX_WBITS: actual_wbits = wbits - 16
-    s: zdeflate.zdeflate_stream | t.CPtr = zdeflate.zdeflate_create(pool, level, actual_wbits, memLevel, strategy)
+    s: rawptr[zdeflate.zdeflate_stream] = zdeflate.zdeflate_create(pool, level, actual_wbits, memLevel, strategy)
     if not s:
         if pool == None:
             stdlib.free(obj)
@@ -667,7 +667,7 @@ def compressobj(pool: memhub.MemManager | t.CPtr, level: t.CInt, method: t.CInt,
     return obj
 
 
-def decompressobj(pool: memhub.MemManager | t.CPtr, wbits: t.CInt, zdict: BYTEPTR, zdict_len: t.CSizeT) -> Decompress | t.CPtr:
+def decompressobj(pool: rawptr[memhub.MemManager], wbits: t.CInt, zdict: BYTEPTR, zdict_len: t.CSizeT) -> Decompress | t.CPtr:
     if pool == None:
         obj: Decompress | t.CPtr = stdlib.calloc(1, Decompress.__sizeof__())
     else:
diff --git a/zlib/zdef.vp b/zlib/zdef.vp
index 90c2b79..c219998 100644
--- a/zlib/zdef.vp
+++ b/zlib/zdef.vp
@@ -96,13 +96,13 @@ zdeflate_codelen_order: t.CArray[int, 19] = [
 # ============================================================
 @t.Object
 class zbit_writer:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     buf: BYTE | t.CPtr
     cap: t.CSizeT
     byte_pos: t.CSizeT
     bit_pos: t.CInt
 
-    def __init__(self, pool: memhub.MemManager | t.CPtr):
+    def __init__(self, pool: rawptr[memhub.MemManager]):
         self.pool = pool
         self.cap = 4096
         if pool == None:
@@ -277,10 +277,10 @@ class zbit_reader:
 # Memory allocation helper for bare metal
 # Can be replaced with custom allocator
 # ============================================================
-def zdef_alloc(pool: memhub.MemManager | t.CPtr, n: t.CSizeT) -> VOIDPTR:
+def zdef_alloc(pool: rawptr[memhub.MemManager], n: t.CSizeT) -> VOIDPTR:
     if pool == None: return stdlib.malloc(n)
     return pool.alloc(n)
-def zdef_free(pool: memhub.MemManager | t.CPtr, p: VOIDPTR):
+def zdef_free(pool: rawptr[memhub.MemManager], p: VOIDPTR):
     if pool == None:
         stdlib.free(p)
         return
diff --git a/zlib/zdeflate.vp b/zlib/zdeflate.vp
index 4c16fa5..5fec742 100644
--- a/zlib/zdeflate.vp
+++ b/zlib/zdeflate.vp
@@ -9,7 +9,7 @@ import t, c
 
 @t.Object
 class zdeflate_stream:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     writer: zdef.zbit_writer
     window: BYTE | t.CPtr
     window_pos: t.CInt
@@ -95,7 +95,7 @@ class zdeflate_stream:
         lit_tree.encode_symbol(256, c.Addr(self.writer))
 
     def encode_block_data(self, data: UINT8PTR, length: t.CSizeT,
-                                            lit_tree: zhuff.zhuff_tree | t.CPtr, dist_tree: zhuff.zhuff_tree | t.CPtr):
+                                            lit_tree: rawptr[zhuff.zhuff_tree], dist_tree: rawptr[zhuff.zhuff_tree]):
         pos: t.CSizeT = 0
         while pos < length:
             best_dist: t.CInt = 0
@@ -340,7 +340,7 @@ def zdeflate_count_cl_freqs(all_lengths: INTPTR, total: t.CInt, cl_freqs: INTPTR
             # 按字面量（符号 val）逐个统计，保证总覆盖数恰为 total
 
 def zdeflate_write_cl_encoded(all_lengths: INTPTR, total: t.CInt,
-                                    w: zdef.zbit_writer | t.CPtr, cl_tree: zhuff.zhuff_tree | t.CPtr):
+                                    w: rawptr[zdef.zbit_writer], cl_tree: rawptr[zhuff.zhuff_tree]):
     i: t.CInt = 0
     while i < total:
         if all_lengths[i] == 0:
@@ -381,7 +381,7 @@ def zdeflate_write_cl_encoded(all_lengths: INTPTR, total: t.CInt,
 
 
 
-def zdeflate_create(pool: memhub.MemManager | t.CPtr, level: t.CInt, wbits: t.CInt, mem_level: t.CInt, strategy: t.CInt) -> zdeflate_stream | t.CPtr:
+def zdeflate_create(pool: rawptr[memhub.MemManager], level: t.CInt, wbits: t.CInt, mem_level: t.CInt, strategy: t.CInt) -> zdeflate_stream | t.CPtr:
     n: t.CSizeT = zdeflate_stream.__sizeof__()
     s: zdeflate_stream | t.CPtr = zdef.zdef_alloc(pool, n)
     if not s: return None
@@ -408,7 +408,7 @@ def zdeflate_create(pool: memhub.MemManager | t.CPtr, level: t.CInt, wbits: t.CI
     return s
 
 
-def zdeflate_one_shot(pool: memhub.MemManager | t.CPtr, data: UINT8PTR, length: t.CSizeT,
+def zdeflate_one_shot(pool: rawptr[memhub.MemManager], data: UINT8PTR, length: t.CSizeT,
                            level: t.CInt, wbits: t.CInt, out_len: t.CSizeT | t.CPtr) -> t.CUInt8T | t.CPtr:
     s: zdeflate_stream | t.CPtr = zdeflate_create(pool, level, wbits, 8, 0)
     if not s: return None
diff --git a/zlib/zhuff.vp b/zlib/zhuff.vp
index 4707510..0b2a159 100644
--- a/zlib/zhuff.vp
+++ b/zlib/zhuff.vp
@@ -15,7 +15,7 @@ class zhuff_code:
 
 @t.Object
 class zhuff_tree:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     codes: t.CArray[zhuff_code, ZHUFF_MAX_CODES]
     count: t.CInt
     max_bits: t.CInt
@@ -95,7 +95,7 @@ class zhuff_tree:
             else:
                 self.codes[i].code = 0
 
-    def encode_symbol(self, symbol: int, writer: zdef.zbit_writer | t.CPtr):
+    def encode_symbol(self, symbol: int, writer: rawptr[zdef.zbit_writer]):
         if symbol < 0 or symbol >= self.count:
             return
         if self.codes[symbol].bits == 0:
@@ -305,7 +305,7 @@ class zhuff_decode_node:
 
 @t.Object
 class zhuff_decode_tree:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     nodes: t.CArray[zhuff_decode_node, 2 * ZHUFF_MAX_CODES]
     node_count: t.CInt
     root: t.CInt
@@ -346,7 +346,7 @@ class zhuff_decode_tree:
                     else:
                         self.nodes[self.nodes[node].children[dir]].symbol = i
 
-    def decode_symbol(self, reader: zdef.zbit_reader | t.CPtr) -> t.CInt:
+    def decode_symbol(self, reader: rawptr[zdef.zbit_reader]) -> t.CInt:
         node: int = self.root
         while self.nodes[node].symbol == -1:
             bit: t.CUnsignedInt
diff --git a/zlib/zinflate.vp b/zlib/zinflate.vp
index e837b6d..c39d103 100644
--- a/zlib/zinflate.vp
+++ b/zlib/zinflate.vp
@@ -9,7 +9,7 @@ import t, c
 
 @t.Object
 class zinflate_stream:
-    pool: memhub.MemManager | t.CPtr
+    pool: rawptr[memhub.MemManager]
     reader: zdef.zbit_reader
 
     window: BYTEPTR
@@ -109,7 +109,7 @@ class zinflate_stream:
         return 0
 
 
-    def read_huffman(self, dt: zhuff.zhuff_decode_tree | t.CPtr) -> t.CInt:
+    def read_huffman(self, dt: rawptr[zhuff.zhuff_decode_tree]) -> t.CInt:
         node: int = dt.root
         while dt.nodes[node].symbol == -1:
             bit: UINT
@@ -142,8 +142,8 @@ class zinflate_stream:
         lit_tree.build_fixed_lit_tree()
         dist_tree.build_fixed_dist_tree()
 
-        lit_dt: zhuff.zhuff_decode_tree | t.CPtr = zdef.zdef_alloc(self.pool, zhuff.zhuff_decode_tree.__sizeof__())
-        dist_dt: zhuff.zhuff_decode_tree | t.CPtr = zdef.zdef_alloc(self.pool, zhuff.zhuff_decode_tree.__sizeof__())
+        lit_dt: rawptr[zhuff.zhuff_decode_tree] = zdef.zdef_alloc(self.pool, zhuff.zhuff_decode_tree.__sizeof__())
+        dist_dt: rawptr[zhuff.zhuff_decode_tree] = zdef.zdef_alloc(self.pool, zhuff.zhuff_decode_tree.__sizeof__())
         if not lit_dt or not dist_dt:
             if lit_dt: zdef.zdef_free(self.pool, lit_dt)
             if dist_dt: zdef.zdef_free(self.pool, dist_dt)
@@ -435,7 +435,7 @@ class zinflate_stream:
         zdef.zdef_free(self.pool, self)
 
 
-def zinflate_one_shot(pool: memhub.MemManager | t.CPtr, data: UINT8PTR, length: t.CSizeT,
+def zinflate_one_shot(pool: rawptr[memhub.MemManager], data: UINT8PTR, length: t.CSizeT,
                            wbits: t.CInt, bufsize: t.CSizeT, out_len: t.CSizeT | t.CPtr) -> t.CUInt8T | t.CPtr:
     s: zinflate_stream | t.CPtr = zinflate_create(pool, wbits)
     if not s: return None
@@ -446,7 +446,7 @@ def zinflate_one_shot(pool: memhub.MemManager | t.CPtr, data: UINT8PTR, length:
     return out
 
 
-def zinflate_create(pool: memhub.MemManager | t.CPtr, wbits: t.CInt) -> zinflate_stream | t.CPtr:
+def zinflate_create(pool: rawptr[memhub.MemManager], wbits: t.CInt) -> zinflate_stream | t.CPtr:
     s: zinflate_stream | t.CPtr = zdef.zdef_alloc(pool, zinflate_stream.__sizeof__())
     if not s: return None
     string.memset(s, 0, zinflate_stream.__sizeof__())