YAZ_EXPORT data1_varset *data1_read_varset(data1_handle dh, const char *file);
YAZ_EXPORT data1_vartype *data1_getvartypebyct(data1_handle dh,
data1_varset *set,
YAZ_EXPORT data1_varset *data1_read_varset(data1_handle dh, const char *file);
YAZ_EXPORT data1_vartype *data1_getvartypebyct(data1_handle dh,
data1_varset *set,