ViAvlTableIndex

UINT64 __fastcall ViAvlTableIndex(INT64 a1, UINT64 a2){
  unsigned __int64 v3; 
  v3 = *(unsigned int *)(a1 + 24);
  if( (_DWORD)v3 == 1 )
    return 0i64;
  else
    return(a2 >> 12) % v3;
}

Referenced by:

VfAvlDeleteTreeNode
VfAvlInsertReservedTreeNode
VfAvlLookupTreeNode