winapi::sspi::ACQUIRE_CREDENTIALS_HANDLE_FN_A

type ACQUIRE_CREDENTIALS_HANDLE_FN_A = Option<unsafe extern "system" fn(*mut SEC_CHAR, *mut SEC_CHAR, c_ulong, *mut c_void, *mut c_void, SEC_GET_KEY_FN, *mut c_void, PCredHandle, PTimeStamp) -> SECURITY_STATUS>;