category_scm      758 src/syslib.c     ScmObj category_scm;
category_scm      763 src/syslib.c     category_scm = SCM_ARGREF(0);
category_scm      764 src/syslib.c     if (!SCM_INTP(category_scm)) Scm_Error("small integer required, but got %S", category_scm);
category_scm      765 src/syslib.c     category = SCM_INT_VALUE(category_scm);