PushEntryList - NtDoc

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

FORCEINLINE VOID PushEntryList(
    _Inout_ PSINGLE_LIST_ENTRY ListHead,
    _Inout_ PSINGLE_LIST_ENTRY Entry
    )
{
    Entry->Next = ListHead->Next;
    ListHead->Next = Entry;
}

#endif

View code on GitHub

This function is documented in Windows Driver Kit.