#ifndef _IOCTL #define _IOCTL // Define the ioctls for adding and removing ports. #define CTRL_CODE(function, method, access) \ CTL_CODE(FILE_DEVICE_NETWORK, function, method, access) #define IOCTL_TIMESTMP_REGISTER_PORT CTRL_CODE( 0x847, METHOD_BUFFERED, FILE_WRITE_ACCESS) #define IOCTL_TIMESTMP_DEREGISTER_PORT CTRL_CODE( 0x848, METHOD_BUFFERED, FILE_WRITE_ACCESS) #endif //_IOCTL