+G_GNUC_INTERNAL void style_init(ChimaraGlk *glk);
+G_GNUC_INTERNAL const gchar** style_get_tag_names();
+G_GNUC_INTERNAL void reset_default_styles(ChimaraGlk *glk);
+G_GNUC_INTERNAL GScanner *create_css_file_scanner(void);
+G_GNUC_INTERNAL void scan_css_file(GScanner *scanner, ChimaraGlk *glk);
+G_GNUC_INTERNAL PangoFontDescription *get_current_font(guint32 wintype);
+G_GNUC_INTERNAL GtkTextTag* gtk_text_tag_copy(GtkTextTag *tag);
+G_GNUC_INTERNAL void glkcolor_to_gdkcolor(glui32 val, GdkColor *color);
+G_GNUC_INTERNAL gchar* glkcolor_to_hex(glui32 val);
+G_GNUC_INTERNAL gchar* gdkcolor_to_hex(GdkColor *color);
+G_GNUC_INTERNAL void style_stream_colors(strid_t str, GdkColor **foreground, GdkColor **background);
+G_GNUC_INTERNAL void style_apply(winid_t win, GtkTextIter *start, GtkTextIter *end);