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# lib9p/idl/1992-9P0.9p - Definitions of 9P0 (Plan 9 1st ed) messages
#
# Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
# SPDX-License-Identifier: AGPL-3.0-or-later
# https://man.cat-v.org/plan_9_1st_ed/5/
version "9P0"
# tag - identify a request/response pair
num tag = 2
# file identifier - like a UNIX file-descriptor
num fid = 2
# uni"Q"ue "ID"entification
struct qid = "path[4] version[4]"
# a nul-padded string
struct name = 28*(txt[1])
msg Tmux = "typ[1,val=48] mux[2]" # Undocumented, but implemented by mux(3) / libmux.a
#msg Rmux = "typ[1,val=49] illegal"
msg Tnop = "typ[1,val=50] tag[tag,val=0xFFFF]"
msg Rnop = "typ[1,val=51] tag[tag,val=0xFFFF]"
msg Tsession = "typ[1,val=52] tag[tag,val=0xFFFF]"
msg Rsession = "typ[1,val=53] tag[tag,val=0xFFFF]"
#msg Terror = "typ[1,val=54] illegal"
msg Rerror = "typ[1,val=55] tag[tag] ename[64]"
msg Tflush = "typ[1,val=56] tag[tag] oldtag[tag]"
msg Rflush = "typ[1,val=57] tag[tag]"
msg Tattach = "typ[1,val=58] tag[tag] fid[fid] uid[28] aname[28] auth[28]"
msg Rattach = "typ[1,val=59] tag[tag] fid[fid] qid[8]"
msg Tclone = "typ[1,val=60] tag[tag] fid[fid] newfid[fid]"
msg Rclone = "typ[1,val=61] tag[tag] fid[fid]"
msg Twalk = "typ[1,val=62] tag[tag] fid[fid] name[28]"
msg Rwalk = "typ[1,val=63] tag[tag] fid[fid] qid[8]"
msg Topen = "typ[1,val=64] tag[tag] fid[fid] mode[1]"
msg Ropen = "typ[1,val=65] tag[tag] fid[fid] qid[8]"
msg Tcreate = "typ[1,val=66] tag[tag] fid[fid] name[28] perm[4] mode[1]"
msg Rcreate = "typ[1,val=67] tag[tag] fid[fid] qid[8]"
msg Tread = "typ[1,val=68] tag[tag] fid[fid] offset[8] count[2,max=8192]"
msg Rread = "typ[1,val=69] tag[tag] fid[fid] count[2,max=8192] pad[1] count*(data[1])"
msg Twrite = "typ[1,val=70] tag[tag] fid[fid] offset[8] count[2,max=8192] pad[1] count*(data[1])"
msg Rwrite = "typ[1,val=71] tag[tag] fid[fid] count[2,max=8192]"
msg Tclunk = "typ[1,val=72] tag[tag] fid[fid]"
msg Rclunk = "typ[1,val=73] tag[tag] fid[fid]"
msg Tremove = "typ[1,val=74] tag[tag] fid[fid]"
msg Rremove = "typ[1,val=75] tag[tag] fid[fid]"
msg Tstat = "typ[1,val=76] tag[tag] fid[fid]"
msg Rstat = "typ[1,val=77] tag[tag] fid[fid] stat[116]"
msg Twstat = "typ[1,val=78] tag[tag] fid[fid] stat[116]"
msg Rwstat = "typ[1,val=79] tag[tag] fid[fid]"
msg Tclwalk = "typ[1,val=80] tag[tag] fid[fid] newfid[fid] name[28]"
msg Rclwalk = "typ[1,val=81] tag[tag] fid[fid] qid[8]"
msg Tauth = "typ[1,val=82] tag[tag] fid[fid] uid[28] chal[36]"
msg Rauth = "typ[1,val=83] tag[tag] fid[fid] chal[30]"
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