cmd\fdisk\fdisk.c
    /* P.S. - To whoever winds up maintaining this, I will         */
    /*        apoligize in advance. I had just learned 'C' when    */
    /*        writing this, so out of ignorance of the finer points*/
    /*        of the langauge I did a lot of things by brute force.*/
    /*        Hope this doesn't mess you up too much - MT 5/20/86  */

cmd\fdisk\profile.h
    #define BEGIN    {
    #define END      }
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Still my favourite. This is from MS-DOS 6.00.