Index for Section 3

Alphabetical listing for F

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ffs(3)
NAME
  ffs - Find first set bit

SYNOPSIS
  #include <strings.h>

  int ffs(
	  int pattern );

LIBRARY
  Standard C Library (libc)

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
  pattern
      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.

SEE ALSO
  Standards: standards(5)

Index for Section 3

Alphabetical listing for F

Top of page