static void newcclass(struct cstate *g)
{
	if (g->ncclass >= nelem(g->prog->cclass))
		die(g, "too many character classes");
	g->yycc = g->prog->cclass + g->ncclass++;
	g->yycc->end = g->yycc->spans;
}
static void newcclass(struct cstate *g)
{
	if (g->ncclass >= nelem(g->prog->cclass))
		die(g, "too many character classes");
	g->yycc = g->prog->cclass + g->ncclass++;
	g->yycc->end = g->yycc->spans;
}