#include	"u.h"#include	"../port/lib.h"#include	"mem.h"#include	"dat.h"#include	"fns.h"#include	"../port/error.h"#include	"ip.h" /* *  some hacks for commonality twixt inferno and plan9 */ char*commonuser(void){	return up->env->user;} Chan*commonfdtochan(int fd, int mode, int a, int b){	return fdtochan(up->env->fgrp, fd, mode, a, b);} char*commonerror(void){	return up->env->errstr;} intpostnote(Proc *p, int, char *, int){	swiproc(p, 0);	return 0;}