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WCPNCPY

Section: Linux Programmer's Manual (3)
Updated: 2016-03-15
Index Return to Main Contents
 

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:
_POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE
 

DESCRIPTION

The wcpncpy() function is the wide-character equivalent of the stpncpy(3) function. It copies at most n wide characters from the wide-character string pointed to by src, including the terminating null wide (Laq\0aq), 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 Laq\0aq characters. If the length wcslen(src) is greater than or equal to n, the string pointed to by dest will not be Laq\0aq terminated.

The strings may not overlap.

The programmer must ensure that there is room for at least n wide characters at dest.  

RETURN VALUE

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

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
wcpncpy() Thread safetyMT-Safe
 

CONFORMING TO

POSIX.1-2008.  

SEE ALSO

stpncpy(3), wcsncpy(3)  

COLOPHON

This page is part of release 4.13 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/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
CONFORMING TO
SEE ALSO
COLOPHON


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