/* ECP: FILEname=fig6_1.c */
/* 1*/   /* A Very Flawed Program */

/* 2*/   #include <stdio.h>

/* 3*/   int Global;

/* 4*/   main( void )
/* 5*/   {
/* 6*/       static int X, Y, Z = 1;
/* 7*/       int Local;

/* 8*/           /* First, We Will Be Nosey */
/* 9*/       printf( "X, Y, and Z are at %x, %x, %x\n", &X, &Y, &Z );
/*10*/       printf( "Global is at: %x\n", &Global );
/*11*/       printf( "Local is at: %x\n\n", &Local );

/*12*/       printf( "X, Y, and Z are at %u, %u, %u\n", &X, &Y, &Z );
/*13*/       printf( "Values of X, Y, and Z: %d %d %d\n", X, Y, Z );

/*14*/           /* Now Show Some Typical scanf Errors */
/*15*/       printf( "Enter 1 to read into Y, 2 for Z\n" );
/*16*/       scanf( "%d", &X );
/*17*/       if( X == 1 )
/*18*/       {
/*19*/           printf( "Enter Y: " );
/*20*/           scanf( "%d", Y );		/* Wrong! */
/*21*/           printf( "Y = %d\n", Y );
/*22*/       }
/*23*/       else
/*24*/       if( X == 2 )
/*25*/       {
/*26*/           printf( "Enter Z: " );
/*27*/           scanf( "%d", Z );		/* Wrong! */
/*28*/           printf( "Z = %d\n", Z );
/*29*/       }
/*30*/       return 0;
/*31*/   }