extern enum tui_status tui_set_source_content (struct symtab *,
int, int);
-extern void tui_show_symtab_source (struct symtab *,
+extern void tui_show_symtab_source (struct gdbarch *, struct symtab *,
struct tui_line_or_address,
int);
extern int tui_source_is_displayed (char *);