strfry - randomize a string
#include <string.h> char *strfry(char *string);
The strfry() function randomizes the contents of string by using rand(3) to randomly swap characters in the string. The result is an anagram of string.
The strfry() functions returns a pointer to the randomized string.
The strfry() function is unique to the Linux C Library and GNU C Library.
memfrob(3)