diff --git a/winsup/w32api/include/winnt.h b/winsup/w32api/include/winnt.h
index 35a0facdd..57597889a 100644
--- a/winsup/w32api/include/winnt.h
+++ b/winsup/w32api/include/winnt.h
@@ -325,6 +325,13 @@ typedef BYTE BOOLEAN,*PBOOLEAN;
 #define SE_SYSTEM_ENVIRONMENT_NAME	TEXT("SeSystemEnvironmentPrivilege")
 #define SE_CHANGE_NOTIFY_NAME	TEXT("SeChangeNotifyPrivilege")
 #define SE_REMOTE_SHUTDOWN_NAME	TEXT("SeRemoteShutdownPrivilege")
+#define SE_GROUP_MANDATORY 1
+#define SE_GROUP_ENABLED_BY_DEFAULT 2
+#define SE_GROUP_ENABLED 4
+#define SE_GROUP_OWNER 8
+#define SE_GROUP_USE_FOR_DENY_ONLY 16
+#define SE_GROUP_LOGON_ID 3221225472
+#define SE_GROUP_RESOURCE 536870912
 #define LANG_NEUTRAL	0x00
 #define LANG_ARABIC 	0x01
 #define LANG_BULGARIAN 	0x02
@@ -1068,6 +1075,7 @@ typedef struct _GUID {
 	unsigned short Data3;
 	unsigned char  Data4[8];
 } GUID, *REFGUID, *LPGUID;
+#define SYSTEM_LUID { 999 }
 #endif /* _GUID_DEFINED */
 typedef struct _GENERIC_MAPPING {
 	ACCESS_MASK GenericRead;
@@ -1776,17 +1784,17 @@ typedef struct _TOKEN_CONTROL {
 } TOKEN_CONTROL,*PTOKEN_CONTROL;
 typedef struct _TOKEN_DEFAULT_DACL {
 	PACL DefaultDacl;
-} TOKEN_DEFAULT_DACL;
+} TOKEN_DEFAULT_DACL,*PTOKEN_DEFAULT_DACL;
 typedef struct _TOKEN_GROUPS {
 	DWORD GroupCount;
 	SID_AND_ATTRIBUTES Groups[ANYSIZE_ARRAY];
 } TOKEN_GROUPS,*PTOKEN_GROUPS,*LPTOKEN_GROUPS;
 typedef struct _TOKEN_OWNER {
 	PSID Owner;
-} TOKEN_OWNER;
+} TOKEN_OWNER,*PTOKEN_OWNER;
 typedef struct _TOKEN_PRIMARY_GROUP {
 	PSID PrimaryGroup;
-} TOKEN_PRIMARY_GROUP;
+} TOKEN_PRIMARY_GROUP,*PTOKEN_PRIMARY_GROUP;
 typedef struct _TOKEN_PRIVILEGES {
 	DWORD PrivilegeCount;
 	LUID_AND_ATTRIBUTES Privileges[ANYSIZE_ARRAY];