op_scm            123 ext/fcntl/fcntlib.c   ScmObj op_scm;
op_scm            133 ext/fcntl/fcntlib.c   op_scm = SCM_ARGREF(1);
op_scm            134 ext/fcntl/fcntlib.c   if (!SCM_INTP(op_scm)) Scm_Error("small integer required, but got %S", op_scm);
op_scm            135 ext/fcntl/fcntlib.c   op = SCM_INT_VALUE(op_scm);