__int64 __fastcall SdbpCheckOSKind(_DWORD *a1, __int64 a2, _DB *a3, __int64 a4, unsigned int tiWhich){ *a1 = ((unsigned int)SdbReadDWORDTag(a3, tiWhich, 0) & *(_DWORD *)(a2 + 560)) != 0; return 1i64; }