NAME

       strrot13 - encrypt or decrypt string using rot13

SYNOPSIS

       #include <publib.h>
       char *strrot13(char *str);

DESCRIPTION

       strrot13  converts  the  argument string using rot13, i.e., it replaces each letter a with n, n with a, b
       with o, o with b, and so on.  Converting twice results in the original string.  Non-letter characters are
       not converted.

       The rot13 encryption method is used commonly on USENET to hide offensive text, or spoilers in discussions
       about movies or books, or in other similar occasions.

RETURN VALUE

       strrot13 returns its argument.

SEE ALSO

       publib(3), crypt(3)

AUTHOR

       Lars Wirzenius (lars.wirzenius@helsinki.fi)