52 #define	bitstr_size(nbits) \  argument
53 	(((nbits) + 7) >> 3)
56 #define	bit_alloc(nbits) \  argument
57 	(bitstr_t *)calloc((size_t)bitstr_size(nbits), sizeof(bitstr_t))
60 #define	bit_decl(name, nbits) \  argument
61 	((name)[bitstr_size(nbits)])
110 #define	bit_ffc(name, nbits, value) do { \  argument
112 	register int _byte, _nbits = (nbits); \
123 	if (_value >= nbits) \
129 #define	bit_ffs_from(name, nbits, startbit, value) do { \  argument
132 	int _nbits = (nbits); \
151 	if (_value >= nbits) \
156 #define	bit_ffs(name, nbits, value) \  argument
157 	bit_ffs_from((name), (nbits), 0, (value))