_SECURITY_QUALITY_OF_SERVICE

Metadatacopy
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: NT 4.0 DDK (August 1996) PPC LIBCNTPR.LIB CodeView type records; _EPROCESS/_ETHREAD offsets match KDEXTPPC.DLL (NT 4.0 Server CD) */