RtlWow64EnableFsRedirectionEx - NtDoc

#ifndef _NTRTL_H

/**
 * Enables or disables file system redirection for the calling thread.
 *
 * @param Wow64FsEnableRedirection If TRUE, requests redirection be enabled; if FALSE, requests redirection be disabled.
 * @param OldFsRedirectionLevel The WOW64 file system redirection value. The system uses this parameter to store information necessary to revert (re-enable) file system redirection.
 * @return NTSTATUS Successful or errant status.
 * @sa https://learn.microsoft.com/en-us/windows/win32/api/wow64apiset/nf-wow64apiset-wow64disablewow64fsredirection
 */
NTSYSAPI
NTSTATUS
NTAPI
RtlWow64EnableFsRedirectionEx(
    _In_ PVOID Wow64FsEnableRedirection,
    _Out_ PVOID *OldFsRedirectionLevel
    );

#endif
View code on GitHub