RtlDescribeChunk - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _NTRTL_H

NTSYSAPI
NTSTATUS
NTAPI
RtlDescribeChunk(
    _In_ USHORT CompressionFormat,
    _Inout_ PUCHAR *CompressedBuffer,
    _In_ PUCHAR EndOfCompressedBufferPlus1,
    _Out_ PUCHAR *ChunkBuffer,
    _Out_ PULONG ChunkSize
    );

#endif

View code on GitHub
// ntifs.h

NTSYSAPI NTSTATUS RtlDescribeChunk(
  USHORT CompressionFormat,
  PUCHAR *CompressedBuffer,
  PUCHAR EndOfCompressedBufferPlus1,
  PUCHAR *ChunkBuffer,
  PULONG ChunkSize
);
View the official Windows Driver Kit DDI reference

NtDoc

This function is documented in Windows Driver Kit.

Windows Driver Kit DDI reference (nf-ntifs-rtldescribechunk)

RtlDescribeChunk function

Description

The RtlDescribeChunk routine is reserved for system use.

Parameters

CompressionFormat

Reserved.

CompressedBuffer

Reserved.

EndOfCompressedBufferPlus1

Reserved.

ChunkBuffer

Reserved.

ChunkSize

Reserved.

Return value

Reserved.