'\" t .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" .\" References consulted: .\" Linux libc source code .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) .\" 386BSD man pages .\" Modified Sun Jul 25 10:39:43 1993 by Rik Faith (faith@cs.unc.edu) .TH strfry 3 2023-10-31 "Linux man-pages 6.7" .SH NAME strfry \- randomize a string .SH LIBRARY Standard C library .RI ( libc ", " \-lc ) .SH SYNOPSIS .nf .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" .B #include .P .BI "char *strfry(char *" string ); .fi .SH DESCRIPTION The .BR strfry () function randomizes the contents of .I string by randomly swapping characters in the string. The result is an anagram of .IR string . .SH RETURN VALUE The .BR strfry () functions returns a pointer to the randomized string. .SH ATTRIBUTES For an explanation of the terms used in this section, see .BR attributes (7). .TS allbox; lbx lb lb l l l. Interface Attribute Value T{ .na .nh .BR strfry () T} Thread safety MT-Safe .TE .SH STANDARDS GNU. .SH SEE ALSO .BR memfrob (3), .BR string (3)