_RTL_CRITICAL_SECTION_DEBUG

_RTL_CRITICAL_SECTION_DEBUG :: struct {
    Type: _WORD;
    CreatorBackTraceIndex: _WORD;
    CriticalSection: *_RTL_CRITICAL_SECTION;
    ProcessLocksList: _LIST_ENTRY;
    EntryCount: _DWORD;
    ContentionCount: _DWORD;
    Flags: _DWORD;
    CreatorBackTraceIndexHigh: _WORD;
    SpareWORD: _WORD;
}

Declared in: winapi.bl