FFZ(9)                              Basic C Library Functions                              FFZ(9)



NAME
       ffz - find first zero bit in word

SYNOPSIS
       unsigned long ffz(unsigned long word);

ARGUMENTS
       word
           The word to search

DESCRIPTION
       Undefined if no zero exists, so code should check against ~0UL first.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                                    FFZ(9)