ast_scm          2446 src/extlib.c     ScmObj ast_scm;
ast_scm          2449 src/extlib.c     ast_scm = SCM_ARGREF(0);
ast_scm          2450 src/extlib.c     ast = (ast_scm);
ast_scm          2465 src/extlib.c     ScmObj ast_scm;
ast_scm          2468 src/extlib.c     ast_scm = SCM_ARGREF(0);
ast_scm          2469 src/extlib.c     ast = (ast_scm);