osf1 man page for ffs

ffs(3)							     Library Functions Manual							    ffs(3)

NAME
       ffs - Finds first set bit

LIBRARY
       Standard C Library (libc.so, libc.a)

SYNOPSIS
       #include <strings.h>

       int ffs(
	       int pattern);

STANDARDS
       Interfaces documented on this reference page conform to industry standards as follows:

       ffs():  XPG4-UNIX

       Refer to the standards(5) reference page for more information about industry standards and associated tags.

PARAMETERS
       Specifies the bit pattern searched.

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 1 (the least significant bit).  If pattern is 0 (zero), ffs() returns 0.

RELATED INFORMATION
       Standards: standards(5)

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																	    ffs(3)