1 .TH ERROR 9P 
2 .SH NAME
3 error \- return an error
4 .SH SYNOPSIS
5 .ta \w'\fLRerror 'u
6 .IR size [4]
7 .B Rerror
8 .IR tag [2]
9 .IR ename [ s ]
10 .SH DESCRIPTION
11 The
12 .B Rerror
13 message
14 (there is no
15 .BR Terror )
16 is used to return an error string
17 describing the
18 failure of a transaction.
19 It replaces the corresponding reply message
20 that would accompany a successful call; its tag is that
21 of the failing request.
22 .PP
23 By convention, clients may truncate error messages after
24 .B ERRMAX-1
25 bytes;
26 .B ERRMAX
27 is defined in
28 .BR <libc.h> .