#ifndef _NTREGAPI_H
typedef struct _KEY_NODE_INFORMATION
{
LARGE_INTEGER LastWriteTime;
ULONG TitleIndex;
ULONG ClassOffset;
ULONG ClassLength;
ULONG NameLength;
_Field_size_bytes_(NameLength) WCHAR Name[1];
// ...
// WCHAR Class[1];
} KEY_NODE_INFORMATION, *PKEY_NODE_INFORMATION;
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This structure is documented in Windows Driver Kit.