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-rw-r--r--lib/libnetgraph/netgraph.36
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/libnetgraph/netgraph.3 b/lib/libnetgraph/netgraph.3
index feff469..bf2de91 100644
--- a/lib/libnetgraph/netgraph.3
+++ b/lib/libnetgraph/netgraph.3
@@ -170,6 +170,9 @@ is non-NULL, it must point to a buffer of at least
bytes, which will be filled in (and NUL terminated) with the path to
the node from which the message was received.
.Pp
+The length of the control message is returned.
+A return value of zero indicates that the socket was closed.
+.Pp
.Fn NgRecvAsciiMsg
works exactly like
.Fn NgRecvMsg ,
@@ -206,6 +209,9 @@ is non-NULL, it must point to a buffer of at least
bytes, which will be filled in (and NUL terminated) with the name of
the hook on which the data was received.
.Pp
+The length of the packet is returned.
+A return value of zero indicates that the socket was closed.
+.Pp
.Fn NgSetDebug
and
.Fn NgSetErrLog
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