#pragma once void Initpolicy(); void SetPolicy(ULONG device_type, ULONG state, ULONG islog); ULONG GetPolicyState(ULONG device_type); BOOLEAN IsPolicyDisable(ULONG device_type); ULONG IsPolicyLog(ULONG device_type); ULONG GetDeviceType(PFLT_CALLBACK_DATA data, PCFLT_RELATED_OBJECTS fltobject);