ffs
Hurricane Electric Internet Services
NAME
ffs - find first bit set in a word
SYNOPSIS
#include <string.h>
int ffs(int i);
DESCRIPTION
The ffs() function returns the position of the first bit
set in the word i. The least significant bit is position
1 and the most significant position 32.
RETURN VALUE
The ffs() function returns the position of the first bit
set, or NULL if no bits are set.
CONFORMING TO
BSD 4.3
Hurricane Electric Internet Services
Copyright (C) 1998
Hurricane Electric.
All Rights Reserved.