RtlRealSuccessor - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _NTRTL_H

_Check_return_
NTSYSAPI
PRTL_SPLAY_LINKS
NTAPI
RtlRealSuccessor(
    _In_ PRTL_SPLAY_LINKS Links
    );

#endif

View code on GitHub

This function is documented in Windows Driver Kit.