size[4] Tversion tag[2] msize[4] version[s]
               size[4] Rversion tag[2] msize[4] version[s]

               size[4] Tauth tag[2] afid[4] uname[s] aname[s]
               size[4] Rauth tag[2] aqid[13]

               size[4] Rerror tag[2] ename[s]

               size[4] Tflush tag[2] oldtag[2]
               size[4] Rflush tag[2]

               size[4] Tattach tag[2] fid[4] afid[4] uname[s] aname[s]
               size[4] Rattach tag[2] qid[13]

               size[4] Twalk tag[2] fid[4] newfid[4] nwname[2]
               nwname*(wname[s])
               size[4] Rwalk tag[2] nwqid[2] nwqid*(wqid[13])

               size[4] Topen tag[2] fid[4] mode[1]
               size[4] Ropen tag[2] qid[13] iounit[4]

               size[4] Tcreate tag[2] fid[4] name[s] perm[4] mode[1]
               size[4] Rcreate tag[2] qid[13] iounit[4]

               size[4] Tread tag[2] fid[4] offset[8] count[4]
               size[4] Rread tag[2] count[4] data[count]

               size[4] Twrite tag[2] fid[4] offset[8] count[4]
               data[count]
               size[4] Rwrite tag[2] count[4]

               size[4] Tclunk tag[2] fid[4]
               size[4] Rclunk tag[2]

               size[4] Tremove tag[2] fid[4]
               size[4] Rremove tag[2]

               size[4] Tstat tag[2] fid[4]
               size[4] Rstat tag[2] stat[n]

               size[4] Twstat tag[2] fid[4] stat[n]
               size[4] Rwstat tag[2]