ffs(3C) ffs(3C)
NAME
ffs - find first set bit
SYNOPSIS
#include <strings.h>
int ffs(int i);
DESCRIPTION
ffs() finds first bit set in the argument passed 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.
Page 1 Reliant UNIX 5.44 Printed 11/98