31 #define time_after(a,b)		\  argument
32 	(typecheck(unsigned long, a) && \
34 	 ((long)((b) - (a)) < 0))
35 #define time_before(a,b)	time_after(b,a)  argument
37 #define time_after_eq(a,b)	\  argument
38 	(typecheck(unsigned long, a) && \
40 	 ((long)((a) - (b)) >= 0))
41 #define time_before_eq(a,b)	time_after_eq(b,a)  argument
46 #define time_in_range(a,b,c) \  argument
47 	(time_after_eq(a,b) && \
48 	 time_before_eq(a,c))
53 #define time_in_range_open(a,b,c) \  argument
54 	(time_after_eq(a,b) && \
55 	 time_before(a,c))