Function _ng_node_unref

freebsd/netgraph/netgraph.h:495–500

}

static __inline void
_ng_node_unref(node_p node, char *file, int line)
{
	_chknode(node, file, line);
	_NG_NODE_UNREF(node);
}

static __inline void
_ng_node_set_private(node_p node, void * val, char *file, int line)