extern regex_t parent_regex;
extern const char *sort_order;
+extern const char *field_order;
extern const char default_parent_pattern[];
extern const char *parent_pattern;
extern const char default_sort_order[];
extern struct list_head hist_entry__sort_list;
int setup_sorting(void);
+int setup_output_field(void);
extern int sort_dimension__add(const char *);
void sort__setup_elide(FILE *fp);