ffs man page on SmartOS

ffs man page on SmartOS

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FFS(3C)								       FFS(3C)

NAME
       ffs - find first set bit

SYNOPSIS
       #include <strings.h>

       int ffs(const int i);

DESCRIPTION
       The  ffs()  function  finds the first bit set (beginning with the least
       significant bit) and returns the index of that bit.  Bits are  numbered
       starting at one (the least significant bit).

RETURN VALUES
       The  ffs() function returns the index of the first bit set.  If i is 0,
       then ffs() returns 0.

ERRORS
       No errors are defined.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Standard	      │
       ├────────────────────┼─────────────────┤
       │MT-Level	    │ MT-Safe	      │
       └────────────────────┴─────────────────┘

SEE ALSO
       attributes(5), standards(5)

				 Jul 24, 2002			       FFS(3C)

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