kc3-lang/libbsd/man/expand_number.3bsd

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  Date : 2017-06-23T05:59:35
  

  man: Update man page sections in titles and references We have moved all man pages to section 3bsd, let's do the same for the page title, and in all the references for uniformity and to avoid confusions. Fixes: https://bugs.freedesktop.org/101545

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• man/expand_number.3bsd

• .\" Copyright (c) 2007 Eric Anderson <anderson@FreeBSD.org>
  .\" Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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  .\" $FreeBSD$
  .\"
  .Dd August 15, 2010
  .Dt EXPAND_NUMBER 3bsd
  .Os
  .Sh NAME
  .Nm expand_number
  .Nd format a number from human readable form
  .Sh LIBRARY
  .ds str-Lb-libbsd Utility functions from BSD systems (libbsd, \-lbsd)
  .Lb libbsd
  .Sh SYNOPSIS
  .In libutil.h
  (See
  .Xr libbsd 7
  for include usage.)
  .Ft int
  .Fo expand_number
  .Fa "const char *buf" "uint64_t *num"
  .Fc
  .Sh DESCRIPTION
  The
  .Fn expand_number
  function unformats the
  .Fa buf
  string and stores a unsigned 64-bit quantity at address pointed out by the
  .Fa num
  argument.
  .Pp
  The
  .Fn expand_number
  function
  follows the SI power of two convention.
  .Pp
  The prefixes are:
  .Bl -column "Prefix" "Description" "1000000000000000000" -offset indent
  .It Sy "Prefix" Ta Sy "Description" Ta Sy "Multiplier"
  .It Li k Ta No kilo Ta 1024
  .It Li M Ta No mega Ta 1048576
  .It Li G Ta No giga Ta 1073741824
  .It Li T Ta No tera Ta 1099511627776
  .It Li P Ta No peta Ta 1125899906842624
  .It Li E Ta No exa  Ta 1152921504606846976
  .El
  .Sh RETURN VALUES
  .Rv -std
  .Sh ERRORS
  The
  .Fn expand_number
  function will fail if:
  .Bl -tag -width Er
  .It Bq Er EINVAL
  The given string contains no digits.
  .It Bq Er EINVAL
  An unrecognized prefix was given.
  .It Bq Er ERANGE
  Result doesn't fit into 64 bits.
  .El
  .Sh SEE ALSO
  .Xr humanize_number 3bsd
  .Sh HISTORY
  The
  .Fn expand_number
  function first appeared in
  .Fx 6.3 .
  

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