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.