#include	"dat.h"#include	"fns.h"#include	"error.h" static Chan *indirattach(char *spec){	char *p;	Dev *d; 	if(*spec == 0)		error(Ebadspec);	p = strrchr(spec, '!');	if(p == nil)		p = "";	else		*p++ = 0;	d = devbyname(spec);	if(d == nil || d->dc == '*'){		snprint(up->env->errstr, ERRMAX, "unknown device: %s", spec);		error(up->env->errstr);	}	if(up->env->pgrp->nodevs &&	   (utfrune("|esDa", d->dc) == nil || d->dc == 's' && *p!='\0'))		error(Enoattach);	return d->attach(p);} Dev indirdevtab = {	'*',	"indir", 	devinit,	indirattach,};