#ifndef _NTPFAPI_H

/**
 * The PREFETCHER_INFORMATION structure supplies the versioned envelope for Prefetcher system-information requests.
 */
typedef struct _PREFETCHER_INFORMATION
{
    _In_ ULONG Version;                         // Envelope version: PREFETCHER_INFORMATION_VERSION (1).
    _In_ ULONG Magic;                           // Envelope signature: PREFETCHER_INFORMATION_MAGIC.
    _In_ PREFETCHER_INFORMATION_CLASS PrefetcherInformationClass; // Operation and payload selector.
    _Inout_ PVOID PrefetcherInformation;        // Pointer to the class-specific input/output buffer.
    _Inout_ ULONG PrefetcherInformationLength;  // Size of the class-specific buffer, in bytes.
} PREFETCHER_INFORMATION, *PPREFETCHER_INFORMATION;

#endif
View code on GitHub