// filename:c2011-6-4-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 6.4 Lexical elements
// 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.
//int main(void){
#include <stdio.h>

int main(void){
	int x=0, y=1E2,z;
//c2011-6-4-ex.c:18:13: error: exponent has no digits
//  int x=0, y=1Ex,z;
//             ^
	
//c2011-6-4-ex.c:19:9: error: lvalue required as increment operand
//  z= x +++++ y;
//         ^
	z= x ++ + ++ y;
	return printf("6.4 Lexical elements %d %d %d \n",x,y,z);
}
// output LLVM 3.2 & GCC4.9
//l() 6.4.9 Comments 0 3 a//b