RTL_SEGMENT_HEAP_PARAMETERS - NtDoc

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

typedef struct _RTL_SEGMENT_HEAP_PARAMETERS
{
    USHORT Version;
    USHORT Size;
    ULONG Flags;
    RTL_SEGMENT_HEAP_MEMORY_SOURCE MemorySource;
    SIZE_T Reserved[4];
} RTL_SEGMENT_HEAP_PARAMETERS, *PRTL_SEGMENT_HEAP_PARAMETERS;

#endif

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This structure is documented in Windows Driver Kit.

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