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- # include <sccs.h>
-
- SCCSID(@(#)bitpos.c 8.1 12/31/84)
-
- /*
- ** FIND HIGH ORDER BIT POSITION
- **
- ** The position of the highest ordered one bit in `wd' is
- ** found and returned. Bits are numbered 0 -> 15, from
- ** right (low-order) to left (high-order) in word.
- */
-
- bitpos(wd)
- register int wd;
- {
- register int i, j;
- register int pos;
-
- pos = -1;
-
- for (i = 1, j = 0; wd; i <<= 1, j++)
- {
- if (wd & i)
- {
- pos = j;
- wd &= ~i;
- }
- }
-
- return (pos);
- }
-