will handle the request given pointers to two functions
.I walk1
and (optionally)
-.I clone .
+.IR clone .
.IR Clone ,
if non-nil, is called to signal the creation of
.I newfid
.IR nntpfs (4),
.IR snap (4),
and
-.B /sys/src/lib9p/ramfs.c
+.B /sys/src/cmd/ramfs.c
are good examples of simple single-threaded file servers.
.PP
In general, the