#ifndef _NTPSAPI_H

typedef struct _THREAD_TEB_INFORMATION
{
    _Inout_bytecount_(BytesToRead) PVOID TebInformation; // Buffer to write data into.
    _In_ ULONG TebOffset;                                // Offset in TEB to begin reading from.
    _In_ ULONG BytesToRead;                              // Number of bytes to read.
} THREAD_TEB_INFORMATION, *PTHREAD_TEB_INFORMATION;

#endif
View code on GitHub