Function ImPlot_PlotBarGroups_S8Ptr 

pub unsafe extern "C" fn ImPlot_PlotBarGroups_S8Ptr(
    label_ids: *const *const c_char,
    values: *const ImS8,
    item_count: c_int,
    group_count: c_int,
    group_size: f64,
    shift: f64,
    flags: ImPlotBarGroupsFlags,
)