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wcsncmp(3)


NAME

   wcsncmp - compare two fixed-size wide-character strings

SYNOPSIS

   #include <wchar.h>

   int wcsncmp(const wchar_t *s1, const wchar_t *s2, 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
   extends  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
   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

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

   
   Interface  Attribute      Value   
   
   wcsncmp()  Thread safety  MT-Safe

CONFORMING TO

   POSIX.1-2001, POSIX.1-2008, C99.

SEE ALSO

   strncmp(3), wcsncasecmp(3)

COLOPHON

   This page is part of release 4.09 of the Linux  man-pages  project.   A
   description  of  the project, information about reporting bugs, and the
   latest    version    of    this    page,    can     be     found     at
   https://www.kernel.org/doc/man-pages/.



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