man3/strfry.3

   1 '\" t
   2 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
   3 .\"
   4 .\" SPDX-License-Identifier: Linux-man-pages-copyleft
   5 .\"
   6 .\" References consulted:
   7 .\"     Linux libc source code
   8 .\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
   9 .\"     386BSD man pages
  10 .\" Modified Sun Jul 25 10:39:43 1993 by Rik Faith (faith@cs.unc.edu)
  11 .TH strfry 3 (date) "Linux man-pages (unreleased)"
  12 .SH NAME
  13 strfry \- randomize a string
  14 .SH LIBRARY
  15 Standard C library
  16 .RI ( libc ", " \-lc )
  17 .SH SYNOPSIS
  18 .nf
  19 .BR "#define _GNU_SOURCE" "         /* See feature_test_macros(7) */"
  20 .B #include <string.h>
  21 .PP
  22 .BI "char *strfry(char *" string );
  23 .fi
  24 .SH DESCRIPTION
  25 The
  26 .BR strfry ()
  27 function randomizes the contents of
  28 .I string
  29 by randomly swapping characters in the string.
  30 The result is an anagram of
  31 .IR string .
  32 .SH RETURN VALUE
  33 The
  34 .BR strfry ()
  35 functions returns a pointer to the randomized
  36 string.
  37 .SH ATTRIBUTES
  38 For an explanation of the terms used in this section, see
  39 .BR attributes (7).
  40 .ad l
  41 .nh
  42 .TS
  43 allbox;
  44 lbx lb lb
  45 l l l.
  46 Interface       Attribute       Value
  47 T{
  48 .BR strfry ()
  49 T}      Thread safety   MT-Safe
  50 .TE
  51 .hy
  52 .ad
  53 .sp 1
  54 .SH STANDARDS
  55 GNU.
  56 .SH SEE ALSO
  57 .BR memfrob (3),
  58 .BR string (3)