+/* from macdlg.c */
+extern void mac_newsession(void);
+extern void mac_clickdlg(WindowPtr, EventRecord *);
+extern void mac_activatedlg(WindowPtr, EventRecord *);
+/* from macterm.c */
+extern void mac_opensession(void);
+extern void mac_startsession(Session *);
+extern void mac_activateterm(WindowPtr, Boolean);
+extern void mac_adjusttermcursor(WindowPtr, Point, RgnHandle);
+extern void mac_adjusttermmenus(WindowPtr);
+extern void mac_updateterm(WindowPtr);
+extern void mac_clickterm(WindowPtr, EventRecord *);
+extern void mac_growterm(WindowPtr, EventRecord *);
+extern void mac_keyterm(WindowPtr, EventRecord *);
+extern void mac_menuterm(WindowPtr, short, short);
+/* from macstore.c */
+extern OSErr get_session_dir(Boolean makeit, short *pVRefNum, long *pDirID);
+extern void *open_settings_r_fsp(FSSpec *);
+/* from macucs.c */
+extern void init_ucs(void);
+/* from mtcpnet.c */
+extern OSErr mactcp_init(void);
+extern void mactcp_shutdown(void);
+extern void mactcp_poll(void);
+