#if defined(M_I86SM) || defined(M_I86CM) /* small or compact model */

extern	void near crit_on(int),		/* Turn critical error handler on */
             near crit_off(void);	/* Turn critical error handler off */

#else

extern	void far crit_on(int),		/* Turn critical error handler on */
             far crit_off(void);	/* Turn critical error handler off */

#endif