imsg_create
if ((wbuf = imsg_create(ibuf, type, peerid, pid, datalen)) == NULL)
if ((wbuf = imsg_create(ibuf, type, peerid, pid, datalen)) == NULL)
struct ibuf *imsg_create(struct imsgbuf *, u_int32_t, u_int32_t, pid_t,
buf = imsg_create(ibuf, IMSG_HOST_DNS,