_SID

headersMetadatacopy
struct _SID {
    unsigned char Revision;/* 0x0  1 */
    unsigned char SubAuthorityCount;/* 0x1  1 */
    struct _SID_IDENTIFIER_AUTHORITY IdentifierAuthority;/* 0x2  6 */
    unsigned long SubAuthority[1];/* 0x8  4 */
};
/* computed from WINNT.H, NT 4.0 SDK */