WOBUF_SERDS
fmd_buf_destroy(Hdl, NULL, WOBUF_SERDS);
fmd_buf_destroy(Hdl, NULL, WOBUF_SERDS);
fmd_buf_write(Hdl, NULL, WOBUF_SERDS, Serdbuf, Serdsz);
if ((sz = fmd_buf_size(hdl, NULL, WOBUF_SERDS)) == 0)
fmd_buf_read(hdl, NULL, WOBUF_SERDS, sbuf, sz);