void fn_init (void);
-char *fn_interp_vars (const char *input, const char *(*getenv) (const char *));
+struct string;
+void fn_interp_vars (struct string *target,
+ const char *(*getenv) (const char *));
char *fn_tilde_expand (const char *fn);
char *fn_search_path (const char *basename, const char *path,
const char *prepend);
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;
-
-typedef int (*file_callback) (struct file_ext *);
-
-/* File callbacks may not return zero to indicate failure unless they
- set errno to a sensible value. */
-struct file_ext
- {
- char *filename; /* Filename. */
- const char *mode; /* Open mode, i.e, "wb". */
- FILE *file; /* File. */
- int *sequence_no; /* Page number, etc. */
- void *param; /* User data. */
- file_callback postopen; /* Called after FILE opened. */
- file_callback preclose; /* Called before FILE closed. */
- };
-
-int fn_open_ext (struct file_ext *file);
-int fn_close_ext (struct file_ext *file);
#endif /* filename_h */