wcsncmp(3) — Linux manual page

wcsncmp(3)               Library Functions Manual              wcsncmp(3)

NAME         top

       wcsncmp - compare two fixed-size wide-character strings

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

       #include <wchar.h>

       int wcsncmp(const wchar_t s1[.n], const wchar_t s2[.n], size_t n);

DESCRIPTION         top

       The wcsncmp() function is the wide-character equivalent of the
       strncmp(3) function.  It compares the wide-character string
       pointed to by s1 and the wide-character string pointed to by s2,
       but at most n wide characters from each string.  In each string,
       the comparison extends only up to the first occurrence of a null
       wide character (L'\0'), if any.

RETURN VALUE         top

       The wcsncmp() function returns zero if the wide-character strings
       at s1 and s2, truncated to at most length n, are equal.  It
       returns an integer greater than zero if at the first differing
       position i (i < n), the corresponding wide-character s1[i] is
       greater than s2[i].  It returns an integer less than zero if at
       the first differing position i (i < n), the corresponding wide-
       character s1[i] is less than s2[i].

ATTRIBUTES         top

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

STANDARDS         top

       C11, POSIX.1-2008.

HISTORY         top

       POSIX.1-2001, C99.

SEE ALSO         top

       strncmp(3), wcsncasecmp(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-6.10.tar.gz
       fetched from
       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
       2025-02-02.  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 6.10            2024-07-23                     wcsncmp(3)

Pages that refer to this page: strcmp(3),  signal-safety(7)

HTML rendering created 2025-02-02 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.