static void codestring (expdesc *e, TString *s) {
  e->f = e->t = NO_JUMP;
  e->k = VKSTR;
  e->u.strval = s;
}
static void codestring (expdesc *e, TString *s) {
  e->f = e->t = NO_JUMP;
  e->k = VKSTR;
  e->u.strval = s;
}