// filename:c2011-7-29-2-1-ex.c
// original examples and/or notes:
// 		(c) ISO/IEC JTC1 SC22 WG14 N1570, April 12, 2011
// 			C2011 7.29.2.1 The fwprintf 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
#include <math.h>
#include <stdio.h>
#include <wchar.h>
/* ... */

int main(void)
{
wchar_t *weekday, *month; // pointers to wide strings
	int day, hour, min;
weekday = L"Monday",month=L"December", day=30, hour=23, min=34;
fwprintf(stdout, L"%ls, %ls %d, %.2d:%.2d\n",weekday, month, day, hour, min);
fwprintf(stdout, L"pi = %.5f\n", 4 * atan(1.0));
return printf("7.29.2.1 The fwprintf function\n");
}
// output may be 
// Monday, December 30, 23:34
// pi = 3.14159
// 7.29.2.1 The fwprintf function