#ifndef _NTPSAPI_H
typedef struct _PROCESS_TLS_INFORMATION
{
    ULONG Flags;
    ULONG OperationType;
    ULONG ThreadDataCount;
    ULONG TlsIndex;
    ULONG PreviousCount;
    _Field_size_(ThreadDataCount) THREAD_TLS_INFORMATION ThreadData[1];
} PROCESS_TLS_INFORMATION, *PPROCESS_TLS_INFORMATION;
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