from typing import Any, Optional, Union def load_lib(name: str, cdecl: str) -> Any : ... def c_ulong(x: int ) -> Any : ... def c_ulonglong(x: int ) -> Any : ... def c_size_t(x: int) -> Any : ... def create_string_buffer(init_or_size: Union[bytes,int], size: Optional[int]) -> Any : ... def get_c_string(c_string: Any) -> bytes : ... def get_raw_buffer(buf: Any) -> bytes : ... def c_uint8_ptr(data: Union[bytes, memoryview, bytearray]) -> Any : ... class VoidPointer(object): def get(self) -> Any : ... def address_of(self) -> Any : ... class SmartPointer(object): def __init__(self, raw_pointer: Any, destructor: Any) -> None : ... def get(self) -> Any : ... def release(self) -> Any : ... backend : str null_pointer : Any ffi: Any def load_pycryptodome_raw_lib(name: str, cdecl: str) -> Any : ... def is_buffer(x: Any) -> bool : ... def is_writeable_buffer(x: Any) -> bool : ...