fstrcasecmp - fuzzy comparison of two strings ignoring case

       fstrcmp version 0.7
       Copyright (C) 2009 Peter Miller
       Peter Miller <pmiller@opensource.org.au>

       The comparison code is derived from the fuzzy comparison functions in GNU Gettext 0.17.  The GNU  Gettext
       comparison functions were, in turn, derived from GNU Diff 2.7.

       Copyright (C) 1988-2009 Free Software Foundation

                                                                                                  fstrcasecmp(3)

       The fstrcmp() function compares the two strings, string1 and string2, ignoring case.

       fstrcasecmp - fuzzy comparison of two strings ignoring case

       The  fstrcasecmp  function  returns a floating point value between 0.0 and FSTRCMP_IDENTICAL.  A value of
       0.0 means the strings are  utterly  un-alike.   A  value  of  FSTRCMP_IDENTICAL  means  the  strings  are
       identical.   A  value of more than FSTRCMP_THRESHOLD (it lies between 0.0 and FSTRCMP_IDENTICAL) would be
       considered "similar" by most people.

       A value of FSTRCMP_ERROR (always negative) indicates a malloc(3) failure.

fmemcmp(3)
               fuzzy comparison of two memory areas

       fstrcasecmpi(3)
               fuzzy comparison of two strings ignoring case

       fstrcmp(3)
               fuzzy comparison of two strings

       strcasecmp(3)
               compare two strings ignoring case

       #include <fstrcmp.h>
       #define FSTRCMP_IDENTICAL
       #define FSTRCMP_THRESHOLD
       #define FSTRCMP_ERROR
       double fstrcasecmp(const char *string1, const char *string2);