glob
[   #include <stdio.h>
    #include <string.h>
    main()
    {   int diff;
        char exampleInput[] = "hello";
        tutorial0(&diff, exampleInput, strlen(exampleInput));
        getchar();
    }
]

parse tutorial0
[->  "hello"
    [  printf("H E L L O");
       return true;  // indicate success
    ]
    else
    [  printf("goodbye.");
       return false; // indicates failure
    ]
]