#ifndef _NTUSER_H

// rev
/**
 * The NtUserSetProcessUIAccessZorder routine tweaks window z-order behavior for UIAccess scenarios.
 * Note: Set only when the process is not elevated.
 *
 * \return Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtUserSetProcessUIAccessZorder(
    VOID
    );

#endif
View code on GitHub