void connection_fatal(void *frontend, char *, ...);
void fatalbox(char *, ...);
void modalfatalbox(char *, ...);
+#ifdef macintosh
+#pragma noreturn(fatalbox)
+#pragma noreturn(modalfatalbox)
+#endif
void beep(void *frontend, int);
void begin_session(void *frontend);
void sys_cursor(void *frontend, int x, int y);