29 #define Sbitset__byteAddress(SELF, INDEX) \  argument
30   (((SELF) + (INDEX) / CHAR_BIT))
31 #define Sbitset__bit_mask(INDEX) \  argument
32   (1 << (CHAR_BIT - 1 - (INDEX) % CHAR_BIT))
42 #define Sbitset__test(SELF, INDEX)                                            \  argument
43   ((*Sbitset__byteAddress ((SELF), (INDEX)) & Sbitset__bit_mask (INDEX)) != 0)
49 #define Sbitset__set(SELF, INDEX)                                             \  argument
51   *Sbitset__byteAddress ((SELF), (INDEX)) =                                   \
52     *Sbitset__byteAddress ((SELF), (INDEX)) | Sbitset__bit_mask (INDEX);      \
55 #define Sbitset__reset(SELF, INDEX)                                           \  argument
57   *Sbitset__byteAddress ((SELF), (INDEX)) =                                   \
58     *Sbitset__byteAddress ((SELF), (INDEX)) & ~Sbitset__bit_mask (INDEX);     \
84 #define SBITSET__FOR_EACH(SELF, NBITS, ITER, INDEX)                           \  argument
87       for ((INDEX) = ((ITER)-(SELF))*CHAR_BIT;                                \
88            (INDEX) < (NBITS) && (SELF)+(INDEX)/CHAR_BIT < (ITER)+1;           \
89            ++(INDEX))                                                         \
90         if (((*ITER) & Sbitset__bit_mask (INDEX)) != 0)