Function gtk_source_sys::gtk_source_gutter_renderer_begin

pub unsafe extern "C" fn gtk_source_gutter_renderer_begin(
    renderer: *mut GtkSourceGutterRenderer, 
    cr: *mut cairo_t, 
    background_area: *mut GdkRectangle, 
    cell_area: *mut GdkRectangle, 
    start: *mut GtkTextIter, 
    end: *mut GtkTextIter
)