SCM_2_64_MINUS_1  577 ext/uvector/uvector.c         ScmObj xx = Scm_LogAnd(x, SCM_2_64_MINUS_1);
SCM_2_64_MINUS_1  587 ext/uvector/uvector.c         ScmObj xx = Scm_LogAnd(x, SCM_2_64_MINUS_1);
SCM_2_64_MINUS_1 2723 src/number.c       SCM_2_64_MINUS_1 = Scm_Subtract2(SCM_2_64, SCM_MAKE_INT(1));