FsRtlIsNotifyOnList

LIST_ENTRY *__fastcall FsRtlIsNotifyOnList(LIST_ENTRY *NotifyListHead, VOID *FsContext){
  _LIST_ENTRY *Flink; 
  LIST_ENTRY *v3; 
  Flink = NotifyListHead->Flink;
  v3 = 0i64;
  while( Flink != NotifyListHead )
  {
    if( Flink[-2].Blink == FsContext )
      return Flink - 2;
    Flink = Flink->Flink;
  }
  return v3;
}

Referenced by:

FsRtlNotifyCleanup
FsRtlNotifyFilterChangeDirectory
FsRtlNotifyFilterChangeDirectoryLite