// filename:c2011-6-8-4-2-ex.c
// original examples and/or notes:
// 		(c) ISO/IEC JTC1 SC22 WG14 N1570, April 12, 2011
// http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
// 			C2011 6.8.4.2 The switch statement
// compile and output mechanism:
// 		(c) Ogawa Kiyoshi, kaizen@gifu-u.ac.jp, December.xx, 2013
// compile errors and/or wornings:
// 1	(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.
// 2    gcc-4.9 (GCC) 4.9.0 20131229 (experimental)
//      Copyright (C) 2013 Free Software Foundation, Inc.
#include <stdio.h>
void f(int i) { i++;};
int main(void)
{
// Example 
int expr;
switch (expr)
{
	int i = 4;
	f(i);
case 0:
	i = 17;
	/* falls through into default code */
default:
	printf("%d\n", i);
}
return printf("6.8.4.2 The switch statement %d \n",expr);	
}
// 1.LLVM3.2 output may be
// 32767
// 6.8.4.2 The switch statement 1672642649 
// 2. GCC4.9 output
// 32767
// 6.8.4.2 The switch statement 1623355486