修复了大量存在的问题，增加了假鸭子类型等等机制

Test/BuddyTest/temp/71e0a3ffcb3ebfad.pyi

@@ -0,0 +1,20 @@
+"""
+Auto-generated Python stub file from stdarg.py
+Module: stdarg
+"""
+
+import c
+
+
+import t
+
+def va_start(args: t.CPtr, last_arg: t.CPtr) -> t.State: pass
+
+def va_arg(args: t.CPtr, type: t.CPtr) -> t.CPtr | t.State: pass
+
+def va_end(args: t.CPtr) -> t.State | t.State: pass
+
+
+va_list: t.CTypedef = t.CUnsignedChar | t.CPtr
+
+def arg(type: t.CType) -> t.State: pass