InsertTailList - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _NTRTL_H

FORCEINLINE
VOID
NTAPI_INLINE
InsertTailList(
    _Inout_ PLIST_ENTRY ListHead,
    _Inout_ __drv_aliasesMem PLIST_ENTRY Entry
    )
{
    PLIST_ENTRY PrevEntry;

    PrevEntry = ListHead->Blink;

    if (PrevEntry->Flink != ListHead) 
    {
        RtlFatalListEntryError((PVOID)PrevEntry, (PVOID)ListHead, (PVOID)PrevEntry->Flink);
    }

    Entry->Flink = ListHead;
    Entry->Blink = PrevEntry;
    PrevEntry->Flink = Entry;
    ListHead->Blink = Entry;
}

#endif

View code on GitHub

This function is documented in Windows Driver Kit.