man3/wcsncat.3

   1 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
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  10 .\" References consulted:
  11 .\"   GNU glibc-2 source code and manual
  12 .\"   Dinkumware C library reference http://www.dinkumware.com/
  13 .\"   OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
  14 .\"   ISO/IEC 9899:1999
  15 .\"
  16 .TH WCSNCAT 3  2015-08-08 "GNU" "Linux Programmer's Manual"
  17 .SH NAME
  18 wcsncat \- concatenate two wide-character strings
  19 .SH SYNOPSIS
  20 .nf
  21 .B #include <wchar.h>
  22 .PP
  23 .BI "wchar_t *wcsncat(wchar_t *" dest ", const wchar_t *" src ", size_t " n );
  24 .fi
  25 .SH DESCRIPTION
  26 The
  27 .BR wcsncat ()
  28 function is the wide-character equivalent of the
  29 .BR strncat (3)
  30 function.
  31 It copies at most
  32 .I n
  33 wide characters from the wide-character
  34 string pointed to by
  35 .I src
  36 to the end of the wide-character string pointed
  37 to by
  38 .IR dest ,
  39 and adds a terminating null wide character (L\(aq\\0\(aq).
  40 .PP
  41 The strings may not overlap.
  42 .PP
  43 The programmer must ensure that there is room for at least
  44 .IR wcslen(dest) + n +1
  45 wide characters at
  46 .IR dest .
  47 .SH RETURN VALUE
  48 .BR wcsncat ()
  49 returns
  50 .IR dest .
  51 .SH ATTRIBUTES
  52 For an explanation of the terms used in this section, see
  53 .BR attributes (7).
  54 .TS
  55 allbox;
  56 lb lb lb
  57 l l l.
  58 Interface       Attribute       Value
  59 T{
  60 .BR wcsncat ()
  61 T}      Thread safety   MT-Safe
  62 .TE
  63 .SH CONFORMING TO
  64 POSIX.1-2001, POSIX.1-2008, C99.
  65 .SH SEE ALSO
  66 .BR strncat (3),
  67 .BR wcscat (3)