// filename:c2011-K-3-9-2-2-2-ex.c
// original examples and/or notes:
// 		(c) ISO/IEC JTC1 SC22 WG14 N1570, April 12, 2011
// 			C2011 K.3.9.2.2.2 The wcsncat_s function
// compile and output mechanism:
// 		(c) Ogawa Kiyoshi, kaizen@gifu-u.ac.jp, December.29, 2013
// compile errors and/or wornings:
// 		(c) Apple LLVM version 4.2 (clang-425.0.27) (based on LLVM 3.2svn)
// 			Target: x86_64-apple-darwin11.4.2 //Thread model: posix
// 		(c) LLVM 2003-2009 University of Illinois at Urbana-Champaign.
// Example 1
#define __STDC_WANT_LIB_EXT1__ 1
#include <stdio.h>
#include <wchar.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <wchar.h>

int main(void)
{

/* ... */
wchar_t s1[100] = L"good";
wchar_t s2[6] = L"hello";
wchar_t s3[6] = L"hello";
wchar_t s4[7] = L"abc";
wchar_t s5[1000] = L"bye";
int r1, r2, r3, r4;
r1 = wcsncat_s(s1, 100, s5, 1000);
r2 = wcsncat_s(s2, 6, L"", 1);
r3 = wcsncat_s(s3, 6, L"X", 2);
r4 = wcsncat_s(s4, 7, L"defghijklmn", 3);
return printf("K.3.9.2.2.2 The wcsncat_s function %d %d %d %d \n",r1,r2,r3,r4 );
}
// output may be