pr_drain          149 kern/uipc_mbuf.c 			if (pr->pr_drain)
pr_drain          150 kern/uipc_mbuf.c 				(*pr->pr_drain)();
pr_drain          140 netinet6/ip6protosw.h 	void	(*pr_drain)(void);	/* flush any excess space possible */
pr_drain           88 sys/protosw.h  	void	(*pr_drain)(void);	/* flush any excess space possible */