#include <stdio.h>

/* This illustrates why one should always use braces to indicate blocks
 * in case of nested "if" statements.
 */

int
main( int nargs, const char *arg[] )
{
	int a = 1, b = 0;

	/* this does not do what the indentation suggests */
	if( a )
		if( b )
			printf( "version 1: a and b \n" );
	else
		printf( "version 1: not a \n" );

	/* this is probably what was meant */
	if( a )
	{
		if( b )
			printf( "version 2: a and b \n" );
	}
	else
		printf( "version 2: not a \n" );

	return 0;
}