pfkeyv2_sendmessage
rval = pfkeyv2_sendmessage(headers, mode, so, 0, 0, kp->kcb_rdomain);
if ((rval = pfkeyv2_sendmessage(headers,
if ((rval = pfkeyv2_sendmessage(headers, PFKEYV2_SENDMESSAGE_BROADCAST,
if ((rval = pfkeyv2_sendmessage(headers,
rval = pfkeyv2_sendmessage(headers,
int pfkeyv2_sendmessage(void **, int, struct socket *, u_int8_t, int, u_int);