修复了大量存在的问题，增加了假鸭子类型等等机制

Test/FuncTest/temp/067f811511854c88.pyi

@@ -0,0 +1,48 @@
+"""
+Auto-generated Python stub file from main.py
+Module: main
+"""
+
+import c
+
+
+import t
+import stdio
+import testcheck
+
+def add(a: t.CInt, b: t.CInt) -> t.CInt: pass
+
+def sub(a: t.CInt, b: t.CInt) -> t.CInt: pass
+
+def multi_args(a: t.CInt, b: t.CInt, c: t.CInt, d: t.CInt) -> t.CInt: pass
+
+def factorial(n: t.CInt) -> t.CInt: pass
+
+def fib(n: t.CInt) -> t.CInt: pass
+
+def add_via_ptr(p: t.CInt | t.CPtr, val: t.CInt) -> t.CInt: pass
+
+def make_u64() -> t.CUInt64T: pass
+
+def is_even(n: t.CInt) -> t.CBool: pass
+
+def test_basic_call() -> t.CInt: pass
+
+def test_multi_args() -> t.CInt: pass
+
+def test_recursion() -> t.CInt: pass
+
+def test_fibonacci() -> t.CInt: pass
+
+def test_ptr_param() -> t.CInt: pass
+
+def test_u64_return() -> t.CInt: pass
+
+def test_bool_return() -> t.CInt: pass
+
+def test_nested_call() -> t.CInt: pass
+
+
+import w32.win32memory
+
+def main() -> t.CInt: pass