NTDLL DbgBreakPoint LdrLoadDll RtlAcquirePrivilege RtlBarrier RtlDelete RtlExitUserProcess RtlClearBits RtlCompactHeap RtlComputeCrc32 RtlCompareString RtlCompareMemory RtlZeroHeap RtlValidSid RtlValidAcl RtlUpperChar RtlDeleteTimerQueueEx RtlCopySecurityDescriptor RtlCopySecurityDescriptor RtlAreAllAccessesGranted IsDot
Microsoft ntdll blog 