extlib__25maybe_substring__NAME 1885 src/extlib.c   static SCM_DEFINE_STRING_CONST(extlib__25maybe_substring__NAME, "%maybe-substring", 16, 16);
extlib__25maybe_substring__NAME 1886 src/extlib.c   static SCM_DEFINE_SUBR(extlib__25maybe_substring__STUB, 1, 1, SCM_OBJ(&extlib__25maybe_substring__NAME), extlib__25maybe_substring, NULL, NULL);