Man page - fstrcoll(3)

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Manual

fstrcoll

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
SEE ALSO
COPYRIGHT

NAME

fstrcoll - fuzzy comparison of two strings using the current locale

SYNOPSIS

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

DESCRIPTION

The strcoll () function compares the two strings sting1 and string2 . The comparison is based on strings interpreted as appropriate for the program’s current locale for category LC_CTYPE.

RETURN VALUE

The fstrcoll 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) or mbstowcs (3) failure.

COPYRIGHT

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.