This is to illustrate the step option and to check that it actually
works.
/* get first 10 records of result set (using piggyback) */
ZOOM_options_set (o, "count", "10");
/* get first 10 records of result set (using piggyback) */
ZOOM_options_set (o, "count", "10");
+ ZOOM_options_set (o, "step", "5");
/* preferred record syntax */
ZOOM_options_set (o, "preferredRecordSyntax", "usmarc");
/* preferred record syntax */
ZOOM_options_set (o, "preferredRecordSyntax", "usmarc");