Function gtk4_sys::gtk_font_chooser_get_font_features 
source · pub unsafe extern "C" fn gtk_font_chooser_get_font_features(
    fontchooser: *mut GtkFontChooser
) -> *mut c_charpub unsafe extern "C" fn gtk_font_chooser_get_font_features(
    fontchooser: *mut GtkFontChooser
) -> *mut c_char