pf_purge_expired_src_nodes
if (!pf_purge_expired_src_nodes(locked)) {
pf_purge_expired_src_nodes(1);
pf_purge_expired_src_nodes(1);
pf_purge_expired_src_nodes(1);
pf_purge_expired_src_nodes(1);
pf_purge_expired_src_nodes(0);
extern int pf_purge_expired_src_nodes(int);