ffs(3C)
ffs --
find first set bit
Synopsis
#include <string.h>
int ffs(const int i);
Description
ffs
finds the first bit set in the argument passed it and returns the index
of that bit.
Bits are numbered starting at 1 from the low order bit.
A return value of zero indicates that the value passed is zero.
30 January 1998
© 1998 The Santa Cruz Operation, Inc. All rights reserved.