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Man Pages


Manual Reference Pages  -  WCSCOLL (3)

NAME

wcscoll - compare wide strings according to current collation

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards
Bugs

LIBRARY


.Lb libc

SYNOPSIS


.In wchar.h int wcscoll const wchar_t *s1 const wchar_t *s2

DESCRIPTION

The wcscoll function compares the null-terminated strings s1 and s2 according to the current locale collation order. In the "C" locale, wcscoll is equivalent to wcscmp.

RETURN VALUES

The wcscoll function returns an integer greater than, equal to, or less than 0, if s1 is greater than, equal to, or less than s2.

No return value is reserved to indicate errors; callers should set errno to 0 before calling wcscoll. If it is non-zero upon return from wcscoll, an error has occurred.

ERRORS

The wcscoll function will fail if:
[EILSEQ]
  An invalid wide character code was specified.
[ENOMEM]
  Cannot allocate enough memory for temporary buffers.

SEE ALSO

setlocale(3), strcoll(3), wcscmp(3), wcsxfrm(3)

STANDARDS

The wcscoll function conforms to -isoC-99.

BUGS

The current implementation of wcscoll only works in single-byte LC_CTYPE locales, and falls back to using wcscmp in locales with extended character sets.
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