Function ImPlot3D_PlotMesh 

pub unsafe extern "C" fn ImPlot3D_PlotMesh(
    label_id: *const c_char,
    vtx: *const ImPlot3DPoint,
    idx: *const c_uint,
    vtx_count: c_int,
    idx_count: c_int,
    flags: ImPlot3DMeshFlags,
)