ksocket_recvmsg
rc = ksocket_recvmsg(s->sock, &msg, MSG_WAITALL, &rlen, CRED());
rc = ksocket_recvmsg(sock, &msghdr, 0,
(void) ksocket_recvmsg(socket, msg, prflag, &recv, CRED());
if ((error = ksocket_recvmsg(so, &msg, flags, &recv, CRED()))
(void) ksocket_recvmsg(ks, msg, prflag, &recv, CRED());
DTRACE_PROBE1(ksocket_recvmsg, size_t, recv);
extern int ksocket_recvmsg(ksocket_t, struct nmsghdr *, int, size_t *,