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wcsncmp(3)                 Library Functions Manual                 wcsncmp(3)

NAME
       wcsncmp - compare two fixed-size wide-character strings

LIBRARY
       Standard C library (libc, -lc)

SYNOPSIS
       #include <wchar.h>

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

DESCRIPTION
       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  ex-
       tends only up to the first occurrence of a null wide character (L'\0'),
       if any.

RETURN VALUE
       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 inte-
       ger 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
       For  an  explanation  of  the  terms  used  in  this  section,  see at-
       tributes(7).

       +--------------------------------------------+---------------+---------+
       |Interface                                   | Attribute     | Value   |
       +--------------------------------------------+---------------+---------+
       |wcsncmp()                                   | Thread safety | MT-Safe |
       +--------------------------------------------+---------------+---------+

STANDARDS
       C11, POSIX.1-2008.

HISTORY
       POSIX.1-2001, C99.

SEE ALSO
       strncmp(3), wcsncasecmp(3)

Linux man-pages 6.04              2023-03-30                        wcsncmp(3)

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