pub unsafe extern "C" fn igPlotLinesFnPtr( label: *const c_char, values_getter: extern "C" fn(data: *mut c_void, idx: c_int) -> c_float, data: *mut c_void, values_count: c_int, values_offset: c_int, overlay_text: *const c_char, scale_min: c_float, scale_max: c_float, graph_size: ImVec2)