(FRAME_OUTER_TO_INNER_DIFF_X, FRAME_OUTER_TO_INNER_DIFF_Y):

(FRAME_OUTER_TO_INNER_DIFF_X, FRAME_OUTER_TO_INNER_DIFF_Y):
Move to mactoolbox.c.
(HOURGLASS_WIDTH, HOURGLASS_HEIGHT): Change to 15.
(Fx_selection_owner_p): Add EXFUN.
(install_window_handler, remove_window_handler, XSetWindowBackground):
Remove externs.
(do_apple_menu) [!TARGET_API_MAC_CARBON]: Likewise.
(mac_prepare_for_quickdraw) [USE_CG_DRAWING]: Likewise.
(x_raise_frame, x_lower_frame, mac_alert_sound_play)
(install_application_handler, mac_get_frame_bounds, mac_get_frame_mouse)
(mac_convert_frame_point_to_global, mac_set_frame_window_background)
(mac_update_begin mac_update_end, mac_frame_up_to_date, x_flush)
(mac_create_frame_window, mac_dispose_frame_window, mac_begin_clip)
(mac_end_clip, mac_create_scroll_bar, mac_dispose_scroll_bar)
(mac_set_scroll_bar_bounds, mac_redraw_scroll_bar, mac_fill_menubar)
(create_and_show_popup_menu, mac_get_selection_from_symbol)
(mac_valid_selection_target_p, mac_clear_selection)
(mac_get_selection_ownership_info, mac_valid_selection_value_p)
(mac_put_selection_value, mac_selection_has_target_p)
(mac_get_selection_value, mac_get_selection_target_list): Add externs.
(mac_update_proxy_icon, mac_show_hourglass, mac_hide_hourglass)
(mac_reposition_hourglass, mac_file_dialog, create_and_show_dialog)
(mac_dnd_default_known_types) [TARGET_API_MAC_CARBON]: Likewise.
(mac_run_loop_run_once) [MAC_OSX]: Likewise.
(mac_dialog) [!TARGET_API_MAC_CARBON]: Likewise.
(mac_begin_cg_clip, mac_end_cg_clip) [USE_CG_DRAWING]: Likewise.
(x_set_toolkit_scroll_bar_thumb) [!USE_TOOLKIT_SCROLL_BARS]: Likewise.
(x_scroll_bar_set_handle) [!USE_TOOLKIT_SCROLL_BARS]: Likewise.