#define _boundv(a,b,c) b = _bound(a,b,c)
#define ABS(a) (((a) < (0)) ?-(a) : (a))
-/* Usefull count macro, use on an array of things and it will return the
+/* Useful count macro, use on an array of things and it will return the
number of items in the array */
#define _count(a) (sizeof(a)/sizeof(a[0]))