ntp/include/ntp_fp.h

11  * NTP uses two fixed point formats.  The first (l_fp) is the "long"
19  * Anyway, an l_fp looks like:
36 } l_fp;
42  * Fractional precision (of an l_fp) is actually the number of
256  * l_fp/double conversions
277 #define M_DTOLFP(d, r_ui, r_uf)		/* double to l_fp */	\
296 #define M_LFPTOD(r_ui, r_uf, d) 	/* l_fp to double */	\
316 #define M_DTOLFP(d, r_ui, r_uf) 		/* double to l_fp */ \
328 #define M_LFPTOD(r_ui, r_uf, d) 		/* l_fp to double */ \
350 extern	int	atolfp		(const char *, l_fp *);
351 extern	int	buftvtots	(const char *, l_fp *);
354 extern	int	hextolfp	(const char *, l_fp *);
355 extern  void	gpstolfp	(u_int, u_int, unsigned long, l_fp *);
356 extern	int	mstolfp		(const char *, l_fp *);
357 extern	char *	prettydate	(l_fp *);
358 extern	char *	gmprettydate	(l_fp *);
359 extern	char *	uglydate	(l_fp *);
364 extern	void	get_systime	(l_fp *);