bool_vector_ref  2515 src/data.c           return bool_vector_ref (array, idxval);
bool_vector_ref  1072 src/fns.c      		elt = bool_vector_ref (arg, argindex);
bool_vector_ref  1159 src/fns.c      	    *dst++ = bool_vector_ref (arg, i);
bool_vector_ref  3065 src/fns.c      	  Lisp_Object dummy = call1 (fn, bool_vector_ref (seq, i));