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17 #define bitstr_size(nbits) \
20 #define bit_alloc(nbits) \
21 calloc( bitstr_size(nbits) , 1)
23 #define bit_decl(name, nbits) \
24 name[ bitstr_size(nbits) ]
26 #define bit_clear(name, bit) \
27 name[ bit >> 3 ] &= ~(1 << (bit & 7) )
29 #define bit_set(name, bit) \
30 name[ bit >> 3] |= 1 << (bit & 7)
32 #define bit_nclear(name, start, stop) \
35 for(_b__ = start; _b__ <= stop; _b__++) \
36 bit_clear(name, _b__);\
39 #define bit_nset(name, start, stop) \
42 for(_b__ = start; _b__ <= stop; _b__++) \
43 bit_set(name, _b__); \
46 #define bit_test(name, bit) \
47 ( name[bit >> 3] & (1 << (bit & 7) ) )
49 #define bit_ffs(name, nbits, value) \
52 for(_b__ = 0; _b__ < nbits; _b__++) \
54 printf("bb = %d\n", _b__);\
55 if( bit_test(name, _b__) ) \
61 if( _b__ == nbits ) *(value) = -1;\
64 #define bit_ffc(name, nbits, value) \
67 for(_b__ = 0; _b__ < nbits; _b__++) \
69 if( !bit_test(name, _b__) ) \
75 if( _b__ == nbits ) *(value) = -1;\