bit_index        138 src/bregex.c   #define bit_toggle(name,which)	(name[bit_index(which)]^=bit_mask(which))
bit_index        139 src/bregex.c   #define bit_test(name,which)	(!!(name[bit_index(which)]&bit_mask(which)))
bit_index        141 src/bregex.c    (value?(name[bit_index(which)]|=bit_mask(which)):\
bit_index        142 src/bregex.c    (name[bit_index(which)]&=~bit_mask(which)))