in phnt/include/ntrtl.h [74:86]
FORCEINLINE VOID InsertTailList(
_Inout_ PLIST_ENTRY ListHead,
_Inout_ PLIST_ENTRY Entry
)
{
PLIST_ENTRY Blink;
Blink = ListHead->Blink;
Entry->Flink = ListHead;
Entry->Blink = Blink;
Blink->Flink = Entry;
ListHead->Blink = Entry;
}