Function pffindproto

freebsd/kern/uipc_domain.c:301–325

}

struct protosw *
pffindproto(int family, int protocol, int type)
{
	struct domain *dp;
	struct protosw *pr;
	struct protosw *maybe;

	maybe = NULL;
	if (family == 0)
		return (NULL);

	dp = pffinddomain(family);
	if (dp == NULL)
		return (NULL);

	for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) {
		if ((pr->pr_protocol == protocol) && (pr->pr_type == type))
			return (pr);

		if (type == SOCK_RAW && pr->pr_type == SOCK_RAW &&
		    pr->pr_protocol == 0 && maybe == NULL)
			maybe = pr;
	}
	return (maybe);
}

/*
 * The caller must make sure that the new protocol is fully set up and ready to