diff --git a/os/_posix.vp b/os/_posix.vp
index 8e9b041..268130d 100644
--- a/os/_posix.vp
+++ b/os/_posix.vp
@@ -20,10 +20,10 @@ def _stat(path: str) -> posix.Stat*:
     """Call stat and return a Stat struct pointer. Return None on failure.
     Note: the Stat struct is allocated via _mbuddy; the caller must free it."""
     st: posix.Stat = posix.Stat()
-    result: INT = posix.stat(path, t.CPtr(&st))
+    result: INT = posix.stat(path, &st)
     if result != 0:
         return None
-    return t.CPtr(&st)
+    return &st
 
 
 def exists(path: str) -> bool:
@@ -37,7 +37,7 @@ def exists(path: str) -> bool:
 def isdir(path: str) -> bool:
     """Check whether the path is a directory"""
     st: posix.Stat = posix.Stat()
-    result: INT = posix.stat(path, t.CPtr(&st))
+    result: INT = posix.stat(path, &st)
     if result != 0:
         return False
     if posix.S_ISDIR(st.st_mode):
@@ -48,7 +48,7 @@ def isdir(path: str) -> bool:
 def isfile(path: str) -> bool:
     """Check whether the path is a regular file"""
     st: posix.Stat = posix.Stat()
-    result: INT = posix.stat(path, t.CPtr(&st))
+    result: INT = posix.stat(path, &st)
     if result != 0:
         return False
     if posix.S_ISREG(st.st_mode):
@@ -59,7 +59,7 @@ def isfile(path: str) -> bool:
 def getsize(path: str) -> int64:
     """Return the file size in bytes. Return -1 on failure."""
     st: posix.Stat = posix.Stat()
-    result: INT = posix.stat(path, t.CPtr(&st))
+    result: INT = posix.stat(path, &st)
     if result != 0:
         return -1
     return st.st_size
diff --git a/os/_win32.vp b/os/_win32.vp
index f778bf6..8798c26 100644
--- a/os/_win32.vp
+++ b/os/_win32.vp
@@ -62,7 +62,7 @@ def getsize(path: str) -> int64:
     if handle == w32.win32base.INVALID_HANDLE_VALUE:
         return -1
     li: w32.win32base.LARGE_INTEGER = w32.win32base.LARGE_INTEGER()
-    result: BOOL = w32.win32file.GetFileSizeEx(handle, t.CPtr(&li))
+    result: BOOL = w32.win32file.GetFileSizeEx(handle, &li)
     w32.win32base.CloseHandle(handle)
     if result == 0:
         return -1
@@ -193,7 +193,7 @@ def listdir(path: str, out_names: str*, max_count: ULONG) -> ULONG:
     pattern[i] = 0
 
     find_data: w32.win32file.WIN32_FIND_DATAA = w32.win32file.WIN32_FIND_DATAA()
-    handle: w32.win32base.HANDLE = w32.win32file.FindFirstFileA(pattern, t.CPtr(&find_data))
+    handle: w32.win32base.HANDLE = w32.win32file.FindFirstFileA(pattern, &find_data)
     if handle == w32.win32base.INVALID_HANDLE_VALUE:
         return 0
 
@@ -204,12 +204,12 @@ def listdir(path: str, out_names: str*, max_count: ULONG) -> ULONG:
         if name[0] == '.':
             if name[1] == 0:
                 # "."
-                if w32.win32file.FindNextFileA(handle, t.CPtr(&find_data)) == 0:
+                if w32.win32file.FindNextFileA(handle, &find_data) == 0:
                     break
                 continue
             if name[1] == '.' and name[2] == 0:
                 # ".."
-                if w32.win32file.FindNextFileA(handle, t.CPtr(&find_data)) == 0:
+                if w32.win32file.FindNextFileA(handle, &find_data) == 0:
                     break
                 continue
 
@@ -225,7 +225,7 @@ def listdir(path: str, out_names: str*, max_count: ULONG) -> ULONG:
         out_names[count] = str(name_buf)
         count += 1
 
-        if w32.win32file.FindNextFileA(handle, t.CPtr(&find_data)) == 0:
+        if w32.win32file.FindNextFileA(handle, &find_data) == 0:
             break
 
     w32.win32file.FindClose(handle)
diff --git a/shutil.vp b/shutil.vp
index 7b5f60b..2a4e2d0 100644
--- a/shutil.vp
+++ b/shutil.vp
@@ -91,7 +91,7 @@ def _copy_posix(src: str, dst: str) -> int:
     if result != 0:
         return -1
     st: posix.Stat = posix.Stat()
-    if posix.stat(src, t.CPtr(&st)) == 0:
+    if posix.stat(src, &st) == 0:
         posix.chmod(dst, st.st_mode)
     return 0
 
@@ -127,7 +127,7 @@ def _rmtree_win32(path: str) -> int:
     pattern[i] = 0
 
     find_data: w32.win32file.WIN32_FIND_DATAA = w32.win32file.WIN32_FIND_DATAA()
-    handle: w32.win32base.HANDLE = w32.win32file.FindFirstFileA(pattern, t.CPtr(&find_data))
+    handle: w32.win32base.HANDLE = w32.win32file.FindFirstFileA(pattern, &find_data)
     _mbuddy.free(pattern)
     if handle == w32.win32base.INVALID_HANDLE_VALUE:
         return -1
@@ -174,7 +174,7 @@ def _rmtree_win32(path: str) -> int:
                         result = -1
                 _mbuddy.free(full_path)
         # Continue searching next entry
-        if w32.win32file.FindNextFileA(handle, t.CPtr(&find_data)) == 0:
+        if w32.win32file.FindNextFileA(handle, &find_data) == 0:
             has_more = 0
 
     w32.win32file.FindClose(handle)
diff --git a/subprocess.vp b/subprocess.vp
index 9a105ae..21fbf61 100644
--- a/subprocess.vp
+++ b/subprocess.vp
@@ -173,7 +173,7 @@ def _run_win32(args: str, capture_output: bool, text: bool) -> CompletedProcess*
 
     # Get exit code
     exit_code: ULONG = 0
-    w32.win32process.GetExitCodeProcess(pi.hProcess, t.CPtr(&exit_code))
+    w32.win32process.GetExitCodeProcess(pi.hProcess, &exit_code)
 
     # Close handles
     w32.win32base.CloseHandle(pi.hProcess)
diff --git a/w32/fileio.vp b/w32/fileio.vp
index ddc1ea4..56f810e 100644
--- a/w32/fileio.vp
+++ b/w32/fileio.vp
@@ -180,7 +180,7 @@ class File:
         if self.closed: return FRESULT.ERR_CLOSED
         if not self.can_read: return FRESULT.ERR_PERM
         bytes_read: ULONG = 0
-        result: BOOL = w32.win32file.ReadFile(self.handle, buf, count, t.CPtr(&bytes_read), None)
+        result: BOOL = w32.win32file.ReadFile(self.handle, buf, count, &bytes_read, None)
         if result == 0: return FRESULT.ERR_IO
         return LONG(bytes_read)
 
@@ -226,7 +226,7 @@ class File:
     def size(self) -> LONGLONG:
         if self.closed: return -1
         li: w32.win32base.LARGE_INTEGER = w32.win32base.LARGE_INTEGER()
-        result: BOOL = w32.win32file.GetFileSizeEx(self.handle, t.CPtr(&li))
+        result: BOOL = w32.win32file.GetFileSizeEx(self.handle, &li)
         if result == 0: return -1
         return li.QuadPart
 
@@ -239,7 +239,7 @@ class File:
         ch: int = 0
         while total < max_count - 1:
             bytes_read = 0
-            result: BOOL = w32.win32file.ReadFile(self.handle, buf + total, 1, t.CPtr(&bytes_read), None)
+            result: BOOL = w32.win32file.ReadFile(self.handle, buf + total, 1, &bytes_read, None)
             if result == 0 or bytes_read == 0: break
             # Explicit byte read: indexing loads 1 byte by the pointer element type (i8), same as Repl.vp _read_line.
             # Do not use c.Deref(buf + total): its width depends on whether the pointer is i8*, but 1 byte is required here.
@@ -265,7 +265,7 @@ class File:
             to_read = buf_size - 1
         self.seek(0, SEEK_SET)
         bytes_read: ULONG = 0
-        result: BOOL = w32.win32file.ReadFile(self.handle, buf, to_read, t.CPtr(&bytes_read), None)
+        result: BOOL = w32.win32file.ReadFile(self.handle, buf, to_read, &bytes_read, None)
         if result == 0: return FRESULT.ERR_IO
         if bytes_read < buf_size:
             buf[bytes_read] = 0
@@ -357,7 +357,7 @@ class FileW:
         if self.closed: return FRESULT.ERR_CLOSED
         if not self.can_read: return FRESULT.ERR_PERM
         bytes_read: ULONG = 0
-        result: BOOL = w32.win32file.ReadFile(self.handle, buf, count, t.CPtr(&bytes_read), None)
+        result: BOOL = w32.win32file.ReadFile(self.handle, buf, count, &bytes_read, None)
         if result == 0: return FRESULT.ERR_IO
         return LONG(bytes_read)
 
@@ -365,7 +365,7 @@ class FileW:
         if self.closed: return FRESULT.ERR_CLOSED
         if not self.can_write: return FRESULT.ERR_PERM
         bytes_written: ULONG = 0
-        result: BOOL = w32.win32file.WriteFile(self.handle, buf, count, t.CPtr(&bytes_written), None)
+        result: BOOL = w32.win32file.WriteFile(self.handle, buf, count, &bytes_written, None)
         if result == 0: return FRESULT.ERR_IO
         return LONG(bytes_written)
 
@@ -403,7 +403,7 @@ class FileW:
     def size(self) -> LONGLONG:
         if self.closed: return -1
         li: w32.win32base.LARGE_INTEGER = w32.win32base.LARGE_INTEGER()
-        result: BOOL = w32.win32file.GetFileSizeEx(self.handle, t.CPtr(&li))
+        result: BOOL = w32.win32file.GetFileSizeEx(self.handle, &li)
         if result == 0: return -1
         return li.QuadPart
 
@@ -416,7 +416,7 @@ class FileW:
         ch: int = 0
         while total < max_count - 1:
             bytes_read = 0
-            result: BOOL = w32.win32file.ReadFile(self.handle, buf + total, 1, t.CPtr(&bytes_read), None)
+            result: BOOL = w32.win32file.ReadFile(self.handle, buf + total, 1, &bytes_read, None)
             if result == 0 or bytes_read == 0: break
             # Explicit byte read: indexing loads 1 byte by the pointer element type (i8), same as Repl.vp _read_line.
             # Do not use c.Deref(buf + total): its width depends on whether the pointer is i8*, but 1 byte is required here.
@@ -442,7 +442,7 @@ class FileW:
             to_read = buf_size - 1
         self.seek(0, SEEK_SET)
         bytes_read: ULONG = 0
-        result: BOOL = w32.win32file.ReadFile(self.handle, buf, to_read, t.CPtr(&bytes_read), None)
+        result: BOOL = w32.win32file.ReadFile(self.handle, buf, to_read, &bytes_read, None)
         if result == 0: return FRESULT.ERR_IO
         if bytes_read < buf_size:
             buf[bytes_read] = 0