char ds_nam[DS_NAM_SIZE]; /* data source name */
long ds; /* data source number */
enum cf_en cf; /* consolidation function */
+ enum cf_en cf_reduce; /* consolidation function for reduce_data() */
gfx_color_t col; /* graph color */
char format[FMT_LEG_LEN+5]; /* format for PRINT AND GPRINT */
char legend[FMT_LEG_LEN+5]; /* legend*/