+ int abbrev;
+
+ int nr_paths;
+ const char **paths;
+ int *pathlens;
+ change_fn_t change;
+ add_remove_fn_t add_remove;
+};
+
+extern void diff_tree_setup_paths(const char **paths, struct diff_options *);
+extern void diff_tree_release_paths(struct diff_options *);
+extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
+ const char *base, struct diff_options *opt);
+extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
+ const char *base, struct diff_options *opt);
+
+struct combine_diff_path {
+ struct combine_diff_path *next;
+ int len;
+ char *path;
+ unsigned int mode;
+ unsigned char sha1[20];
+ struct combine_diff_parent {
+ char status;
+ unsigned int mode;
+ unsigned char sha1[20];
+ } parent[FLEX_ARRAY];