struct _SECURITY_QUALITY_OF_SERVICE {
unsigned long Length;/* 0x0 4 */
int ImpersonationLevel;/* 0x4 4 */
unsigned char ContextTrackingMode;/* 0x8 1 */
unsigned char EffectiveOnly;/* 0x9 1 */
};
/* source: Windows 2000 RC2 DDK Alpha libcntpr.lib CodeView type records; build 2128 per the DDK's ntverp.h */