if (atoi(opt_maxrecs) > 20)
ZOOM_connection_option_set(link, "presentChunk", "20");
else
ZOOM_connection_option_set(link, "presentChunk", opt_maxrecs);
if (atoi(opt_maxrecs) > 20)
ZOOM_connection_option_set(link, "presentChunk", "20");
else
ZOOM_connection_option_set(link, "presentChunk", opt_maxrecs);