1164Seric /*
2164Seric **  USEFUL.H -- Some useful stuff.
3*402Seric **
4*402Seric **	@(#)useful.h	1.2	07/25/80
5164Seric */
6164Seric 
7164Seric # define bool	int
8164Seric # define TRUE	1
9164Seric # define FALSE	0
10164Seric 
11164Seric # ifndef NULL
12164Seric # define NULL	0
13164Seric # endif NULL
14