// filename:c2011-6-9-2-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 6.9.2 External object definitions
// 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.
//5.1.2.3 Program execution, Example7
//c2011-5-1-2-3-ex7.c
//(c)kaizen@gifu-u.ac.jp
#include <stdio.h>
int main(void){
int sum;
	char *p={"000000"};
/* ... */
	sum = sum * 10 - '0' + (*p++ = getchar());
	printf(" %d %s ", sum, --p);
sum = (((sum * 10) - '0') + ((*(p++)) = (getchar())));
return printf("%d %s ",sum,--p);
}
// Segmentation fault: 11