NAME
error – return an error

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

DESCRIPTION
The Rerror message (there is no Terror) is used to return an error string describing the failure of a transaction. It replaces the corresponding reply message that would accompany a successful call; its tag is that of the failing request.

By convention, clients may truncate error messages after ERRMAX–1 bytes; ERRMAX is defined in <libc.h>.

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