#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

/**
 * The NtTranslateFilePath routine translates a file path from one format to another.
 *
 * \param InputFilePath A pointer to a FILE_PATH structure that specifies the input file path.
 * \param OutputType The type of the output file path.
 * \param OutputFilePath A pointer to a buffer that receives the translated file path.
 * \param OutputFilePathLength A pointer to a variable that specifies the size of the buffer. On return, it contains the size of the data returned.
 * \return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtTranslateFilePath(
    _In_ PFILE_PATH InputFilePath,
    _In_ ULONG OutputType,
    _Out_writes_bytes_opt_(*OutputFilePathLength) PFILE_PATH OutputFilePath,
    _Inout_opt_ PULONG OutputFilePathLength
    );

#endif
#endif
View code on GitHub

#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwTranslateFilePath(
    _In_ PFILE_PATH InputFilePath,
    _In_ ULONG OutputType,
    _Out_writes_bytes_opt_(*OutputFilePathLength) PFILE_PATH OutputFilePath,
    _Inout_opt_ PULONG OutputFilePathLength
    );

#endif
View code on GitHub