_RTL_CRITICAL_SECTION

//0x28 bytes (sizeof) struct _RTL_CRITICAL_SECTION { struct _RTL_CRITICAL_SECTION_DEBUG* DebugInfo; //0x0 LONG LockCount; //0x8 LONG RecursionCount; //0xc VOID* OwningThread; //0x10 VOID* LockSemaphore; //0x18 ULONGLONG SpinCount; //0x20 };