FILE *fn_open (const char *fn, const char *mode);
int fn_close (const char *fn, FILE *file);
+
+struct file_identity *fn_get_identity (const char *filename);
+void fn_free_identity (struct file_identity *);
+int fn_compare_file_identities (const struct file_identity *,
+ const struct file_identity *);
\f
/* Extended file routines. */
struct file_ext;