RtlFindActivationContextSectionString - NtDoc

#ifndef _NTRTL_H

// private
NTSYSAPI
NTSTATUS
NTAPI
RtlFindActivationContextSectionString(
    _In_ ULONG Flags,
    _In_opt_ PGUID ExtensionGuid,
    _In_ ULONG SectionId, // ACTIVATION_CONTEXT_SECTION_*
    _In_ PUNICODE_STRING StringToFind,
    _Inout_ PACTCTX_SECTION_KEYED_DATA ReturnedData
    );

#endif
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