Function _embind_register_class 

pub unsafe extern "C" fn _embind_register_class(
    classType: TYPEID,
    pointerType: TYPEID,
    constPointerType: TYPEID,
    baseClassType: TYPEID,
    getActualTypeSignature: *const c_char,
    getActualType: GenericFunction,
    upcastSignature: *const c_char,
    upcast: GenericFunction,
    downcastSignature: *const c_char,
    downcast: GenericFunction,
    className: *const c_char,
    destructorSignature: *const c_char,
    destructor: GenericFunction,
)