www.pudn.com > hookN.zip > drvcomm.h

#ifndef __DRVCOMM_H__ 
#define __DRVCOMM_H__ 
 
//device names 
#define DEVICE_NAME             L"\\Device\\hook2" 
#define DOS_DEVICE_NAME         L"\\DosDevices\\hook2" 
 
 
//IO control codes 
//HOOK_START initiates hooks 
#define IOCTL_HOOK_START CTL_CODE(FILE_DEVICE_UNKNOWN,0x800,METHOD_BUFFERED,FILE_READ_DATA | FILE_WRITE_DATA) 
//HOOK_STOP unhooks hooked functions 
#define IOCTL_HOOK_STOP  CTL_CODE(FILE_DEVICE_UNKNOWN,0x801,METHOD_BUFFERED,FILE_READ_DATA | FILE_WRITE_DATA) 
 
//driver/app communication buffer 
typedef struct DRVCOMM_BUFFER 
{ 
  ULONG status; 
} DRVCOMM_BUFFER,*PDRVCOMM_BUFFER; 
 
#endif