Function FindActCtxSectionStringW 

pub unsafe extern "system" fn FindActCtxSectionStringW(
    dwflags: u32,
    lpextensionguid: *const GUID,
    ulsectionid: u32,
    lpstringtofind: PCWSTR,
    returneddata: *mut ACTCTX_SECTION_KEYED_DATA,
) -> BOOL