+extern char *rewrite_source_path (const char *path);
+
+extern const char *symtab_to_fullname (struct symtab *s);
+
+/* Returns filename without the compile directory part, basename or absolute
+ filename. It depends on 'set filename-display' value. */
+extern const char *symtab_to_filename_for_display (struct symtab *symtab);