wcscasecmp(3) — Linux manual page

wcscasecmp(3)           Library Functions Manual           wcscasecmp(3)

NAME         top

       wcscasecmp - compare two wide-character strings, ignoring case

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

       #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         top

       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         top

       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.

ATTRIBUTES         top

       For an explanation of the terms used in this section, see
       attributes(7).
       ┌──────────────────────────────┬───────────────┬────────────────┐
       │ Interface                    │ Attribute     │ Value          │
       ├──────────────────────────────┼───────────────┼────────────────┤
       │ wcscasecmp()                 │ Thread safety │ MT-Safe locale │
       └──────────────────────────────┴───────────────┴────────────────┘

STANDARDS         top

       POSIX.1-2008.

HISTORY         top

       glibc 2.1.

NOTES         top

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

SEE ALSO         top

       strcasecmp(3), wcscmp(3)

COLOPHON         top

       This page is part of the man-pages (Linux kernel and C library
       user-space interface documentation) project.  Information about
       the project can be found at 
       ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report
       for this manual page, see
       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
       This page was obtained from the tarball man-pages-6.9.1.tar.gz
       fetched from
       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
       2024-06-26.  If you discover any rendering problems in this HTML
       version of the page, or you believe there is a better or more up-
       to-date source for the page, or you have corrections or
       improvements to the information in this COLOPHON (which is not
       part of the original manual page), send a mail to
       man-pages@man7.org

Linux man-pages 6.9.1          2024-05-02                  wcscasecmp(3)

Pages that refer to this page: strcasecmp(3),  wcscmp(3)

HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH.