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Annotation of researchv10no/cmd/hdr/sets.h, revision 1.1.1.1

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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