- int ref_cnt; /* Reference count. */
-
- struct variable **vars; /* Variables to sort. */
- enum sort_direction *dirs; /* Sort directions. */
- int var_cnt; /* Number of variables to sort. */
-
- struct internal_sort *isrt; /* Internal sort output. */
- struct external_sort *xsrt; /* External sort output. */
- size_t case_size; /* Number of bytes in case. */
+ int fv; /* Variable data index. */
+ int width; /* 0=numeric, otherwise string width. */
+ enum sort_direction dir; /* Sort direction. */