pub unsafe extern "system" fn GetClassInfoExA(
hinst: HINSTANCE,
lpszClass: LPCSTR,
lpwcx: LPWNDCLASSEXA,
) -> BOOL
pub unsafe extern "system" fn GetClassInfoExA(
hinst: HINSTANCE,
lpszClass: LPCSTR,
lpwcx: LPWNDCLASSEXA,
) -> BOOL