wcpncpy man page on Debian

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WCPNCPY(3)		   Linux Programmer's Manual		    WCPNCPY(3)

NAME
       wcpncpy	-  copy	 a  fixed-size	string of wide characters, returning a
       pointer to its end

SYNOPSIS
       #include <wchar.h>

       wchar_t *wcpncpy(wchar_t *dest, const wchar_t *src, size_t n);

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

       wcpncpy():
	   Since glibc 2.10:
	       _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
	   Before glibc 2.10:
	       _GNU_SOURCE

DESCRIPTION
       The wcpncpy() function is the wide-character  equivalent	 of  the  stp‐
       ncpy(3)	function.   It copies at most n wide characters from the wide-
       character string pointed to by src,  including  the  terminating	 L'\0'
       character,  to the array pointed to by dest.  Exactly n wide characters
       are written at dest.  If the length wcslen(src) is smaller than n,  the
       remaining  wide	characters  in the array pointed to by dest are filled
       with L'\0' characters.  If the length wcslen(src) is greater  or	 equal
       to n, the string pointed to by dest will not be L'\0' terminated.

       The strings may not overlap.

       The programmer must ensure that there is room for at least n wide char‐
       acters at dest.

RETURN VALUE
       wcpncpy() returns a pointer to the last wide  character	written,  that
       is, dest + n - 1.

CONFORMING TO
       This function is a GNU extension.

SEE ALSO
       stpncpy(3), wcsncpy(3), feature_test_macros(7)

COLOPHON
       This  page  is  part of release 3.27 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

GNU				  2010-09-15			    WCPNCPY(3)
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