/*  * 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. */ /* * usb/print - usb printer */#include <u.h>#include <libc.h>#include <thread.h>#include "usb.h" enum{	Arglen = 80,}; static voidusage(void){	fprint(2, "usage: %s [-d] [-N nb] [dev...]\n", argv0);	threadexitsall("usage");} static int csps[] = { 0x020107, 0 }; extern int printmain(Dev*, int, char**); voidthreadmain(int argc, char **argv){	char args[Arglen];	char *as;	char *ae; 	quotefmtinstall();	ae = args+sizeof(args);	as = seprint(args, ae, "print");	ARGBEGIN{	case 'd':		usbdebug++;		break;	case 'N':		as = seprint(as, ae, " -N %s", EARGF(usage()));		break;	default:		usage();	}ARGEND 	rfork(RFNOTEG);	threadsetgrp(threadid());	fmtinstall('U', Ufmt);	startdevs(args, argv, argc, matchdevcsp, csps, printmain);	threadexits(nil);}