_ACL_SIZE_INFORMATION

headersMetadatacopy
struct _ACL_SIZE_INFORMATION {
    unsigned long AceCount;/* 0x0  4 */
    unsigned long AclBytesInUse;/* 0x4  4 */
    unsigned long AclBytesFree;/* 0x8  4 */
};
/* computed from WINNT.H, NT 4.0 SDK */