OPT_BLKSIZE2
if (options[OPT_BLKSIZE2].o_request == NULL)
size = atoi(options[OPT_BLKSIZE2].o_request);
options_set_reply(OPT_BLKSIZE2, "%d", size);
options[OPT_BLKSIZE2].o_reply);
options_set_request(OPT_BLKSIZE2, "%d", sizes[i]);
options_set_request(OPT_BLKSIZE2, "%d", size);
options[OPT_BLKSIZE2].o_request);