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Annotation of researchv10no/cmd/hdr/sets.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *     Set manipulation macros for use with programs preprocessed
        !             3:  *     by sets(1).
        !             4:  */
        !             5: #define        SETS_UNIT_SIZE  8
        !             6: #define        SETS_SHIFT      3
        !             7: #define        SETS_MASK       07
        !             8: 
        !             9: #define        in(s, c)        (((s)[((int)c) >> SETS_SHIFT]) & (1 << (((int)c) & SETS_MASK)))
        !            10: #define        insert(s, c)    (((s)[((int)c) >> SETS_SHIFT]) |= (1 << (((int)c) & SETS_MASK)))
        !            11: #define        delete(s,c)     (((s)[((int)c) >> SETS_SHIFT]) &= ~(1 << (((int)c) & SETS_MASK)))
        !            12: 
        !            13: typedef        char    *setptr;

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