1 int w[2][2]; 2 f()3 f () 4 { 5 int i, j; 6 7 for (i = 0; i < 2; i++) 8 for (j = 0; j < 2; j++) 9 if (i == j) 10 w[i][j] = 1; 11 } 12 main()13 main () 14 { 15 f (); 16 if (w[0][0] != 1 || w[1][1] != 1 || w[1][0] != 0 || w[0][1] != 0) 17 abort (); 18 exit (0); 19 } 20