9 char **foo;  variable
20     foo = malloc (sizeof *foo * NBUCKETS);  in main()
21     memset(foo,0,sizeof *foo * NBUCKETS);  in main()
24 	    foo[j] = malloc(i);  in main()
27 	    free(foo[j]);  in main()
28 	    foo[j] = NULL;  in main()
35 	foo[j] = realloc(foo[j], k & 1 ? 0 : k);  in main()
36 	if (foo[j])  in main()
37 	    foo[j][0] = 1;  in main()
41 	if (foo[j]) {  in main()
42 	    free(foo[j]);  in main()
43 	    foo[j] = NULL;  in main()