/* 2011 JGL (yiyus) */#include <err.h>#include <errno.h>#include <sys/stat.h>#include <lib9.h>#include <draw.h>#include <cursor.h>#include "dat.h"#include "fns.h"#include <ixp.h> extern Ixp9Srv p9srv; /* ixp_fsys.c:/p9srv */ void endconnection(IxpConn*);void eventfdready(IxpConn*); intixpserve(char *address){	char buf[512];	int fd;	IxpServer srv = {0}; 	if(!address)		address = getenv("IXP_ADDRESS");	if(!address) {		char *nsdir = ixp_namespace();		if(mkdir(nsdir, 0700) == -1 && errno != EEXIST) {			err(1, "mkdir: %s", nsdir);		}		snprint(buf, sizeof(buf), "unix!%s/wsys", nsdir);		address = buf;	} 	fd = ixp_announce(address);	if(fd < 0) {		err(1, "ixp_announce");	} 	ixp_listen(&srv, fd, &p9srv, ixp_serve9conn, NULL);	ixp_listen(&srv, xfd(), nil, eventfdready, endconnection); 	return ixp_serverloop(&srv);} voidendconnection(IxpConn *c){	USED(c);	xclose();} voideventfdready(IxpConn *c){	USED(c);	xnextevent();}