int diff_flush_patch_id(struct diff_options *, struct object_id *, int);
void flush_one_hunk(struct object_id *result, git_hash_ctx *ctx);
-int diff_result_code(struct diff_options *, int);
+int diff_result_code(struct diff_options *);
int diff_no_index(struct rev_info *,
int implicit_no_index, int, const char **);