char *head, char *rev, char *archivename);
extern void cgit_diff_link(char *name, char *title, char *class, char *head,
char *new_rev, char *old_rev, char *path);
char *head, char *rev, char *archivename);
extern void cgit_diff_link(char *name, char *title, char *class, char *head,
char *new_rev, char *old_rev, char *path);