/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <thread.h>#include "usb.h"#include "usbfs.h"#include "serial.h"#include "ucons.h"#include "prolific.h"#include "ftdi.h"#include "silabs.h" enum {	Arglen = 80,}; typedef struct Parg Parg; /* keep in sync with serial.c */static voidusage(void){	fprint(2, "usage: %s [-dD] [-N nb] [-m mtpt] [-s srv] [dev...]\n", argv0);	threadexitsall("usage");} static intmatchserial(char *info, void*){	if(uconsmatch(info) == 0 || plmatch(info) == 0 ||	    ftmatch(nil, info) == 0 || slmatch(info) == 0)		return 0;	return -1;} voidthreadmain(int argc, char **argv){	char *mnt, *srv, *as, *ae;	char args[Arglen]; 	mnt = "/dev";	srv = nil; 	quotefmtinstall();	ae = args + sizeof args;	as = seprint(args, ae, "serial");	ARGBEGIN{	case 'D':		usbfsdebug++;		break;	case 'd':		usbdebug++;		as = seprint(as, ae, " -d");		break;	case 'N':		as = seprint(as, ae, " -N %s", EARGF(usage()));		break;	case 'm':		mnt = EARGF(usage());		break;	case 's':		srv = EARGF(usage());		break;	default:		usage();		break;	}ARGEND; 	rfork(RFNOTEG);	fmtinstall('U', Ufmt);	threadsetgrp(threadid()); 	usbfsinit(srv, mnt, &usbdirfs, MAFTER|MCREATE);	startdevs(args, argv, argc, matchserial, nil, serialmain);	threadexits(nil);}