// filename:c2011-7-21-6-1-ex.c
// original examples and/or notes:
// 		(c) ISO/IEC JTC1 SC22 WG14 N1570, April 12, 2011
// 			C2011 7.21.6.1 The fprintf 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.
#include <math.h>
#include <stdio.h>
#include <wchar.h> 
int main(void)
{
// Example 1
/* ... */
char *weekday, *month; // pointers to strings
int day, hour, min;
weekday = "Monday",month="December", day=30, hour=23, min=34;
fprintf(stdout, "%s, %s %d, %.2d:%.2d\n",
weekday, month, day, hour, min);
fprintf(stdout, "pi = %.5f\n", 4 * atan(1.0));
	
// Example 2static wchar_t wstr[] = L" X Yabc Z W";
static wchar_t wstr[] = L" X Yabc Z W";
fprintf(stdout, "|1234567890123|\n");
fprintf(stdout, "|%13ls|\n", wstr);
fprintf(stdout, "|%-13.9ls|\n", wstr);
fprintf(stdout, "|%13.10ls|\n", wstr);
fprintf(stdout, "|%13.11ls|\n", wstr);
fprintf(stdout, "|%13.15ls|\n", &wstr[2]);
fprintf(stdout, "|%13lc|\n", (wint_t) wstr[5]);
	

return printf("7.21.6.1 The fprintf function \n");
}
// output may be 
//Monday, December 30, 23:34
//pi = 3.14159
//|1234567890123|
//|   X Yabc Z W|
//| X Yabc Z    |
//|    X Yabc Z |
//|   X Yabc Z W|
//|     Yabc Z W|
//|            b|
//7.21.6.1 The fprintf function