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ffs(3C)                 LIBRARY FUNCTIONS                 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  indi-
     cates that the value passed is zero.











































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