/* This software was developed at the National Institute of Standards and
 * Technology by employees of the Federal Government in the course of their
 * official duties. Pursuant to title 17 Section 105 of the United States
 * Code this software is not subject to copyright protection and is in the
 * public domain. NIST assumes no responsibility whatsoever for its use by
 * other parties, and makes no guarantees, expressed or implied, about its
 * quality, reliability, or any other characteristic.

 * We would appreciate acknowledgement if the software is used.
 * The SAMATE project website is: http://samate.nist.gov
*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

typedef struct str_t str;
struct str_t {
	union {
		int   a;
		char *b;
	} foo;
};

int main(int argc, char *argv[])
{
	str container;
	container.foo.a = 0;
	
	if ((container.foo.b = (char *)malloc(256*sizeof(char))) != NULL)
	{
		strcpy(container.foo.b, "Falut!");
		container.foo.b[0] = 'S';
		printf("%s\n", container.foo.b);
		free(container.foo.b);	

		if(container.foo.b)
			container.foo.b[0] = 'S';					/* FLAW */
	}
	return 0;
}