#ifndef __HOOKING_H__
#define __HOOKING_H__

typedef struct SERVICE_DESCRIPTOR_ENTRY
{
  unsigned int *ServiceTableBase;
  unsigned int *ServiceCounterTableBase;
  unsigned int NumberOfServices;
  unsigned char *ParamTableBase;
} SERVICE_DESCRIPTOR_ENTRY,*PSERVICE_DESCRIPTOR_ENTRY;

//this works only for original unpatched functions 
#define SYSTEM_SERVICE(p) KeServiceDescriptorTable.ServiceTableBase[*(PULONG)((ULONG)p+1)]

extern int hook_active;

int hooking_hook(void);
int hooking_unhook(void);

#endif