ffs(3C) ffs(3C)
NAME
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.
Copyright 1994 Novell, Inc. Page 1