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NAME

       wcscasecmp - compare two wide-character strings, ignoring case

SYNOPSIS

       #include <wchar.h>

       int wcscasecmp(const wchar_t *s1, const wchar_t *s2);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       wcscasecmp():
           Since glibc 2.10:
               _POSIX_C_SOURCE >= 200809L
           Before glibc 2.10:
               _GNU_SOURCE

DESCRIPTION

       The  wcscasecmp() function is the wide-character equivalent of the strcasecmp(3) function.
       It compares the wide-character string pointed to  by  s1  and  the  wide-character  string
       pointed to by s2, ignoring case differences (towupper(3), towlower(3)).

RETURN VALUE

       The  wcscasecmp()  function  returns  zero  if the wide-character strings at s1 and s2 are
       equal except for case distinctions.  It returns a positive integer if s1 is  greater  than
       s2, ignoring case.  It returns a negative integer if s1 is smaller than s2, ignoring case.

VERSIONS

       The wcscasecmp() function is provided in glibc since version 2.1.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       ┌────────────────────────────────────────────────────────┬───────────────┬────────────────┐
       │InterfaceAttributeValue          │
       ├────────────────────────────────────────────────────────┼───────────────┼────────────────┤
       │wcscasecmp()                                            │ Thread safety │ MT-Safe locale │
       └────────────────────────────────────────────────────────┴───────────────┴────────────────┘

CONFORMING TO

       POSIX.1-2008.  This function is not specified in POSIX.1-2001, and is not widely available
       on other systems.

NOTES

       The behavior of wcscasecmp() depends on the LC_CTYPE category of the current locale.

SEE ALSO

       strcasecmp(3), wcscmp(3)

COLOPHON

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