void (*call_command_hook) PARAMS ((struct cmd_list_element *c, char *cmd,
int from_tty));
+
+
+/* Takes control from error (). Typically used to prevent longjmps out of the
+ middle of the GUI. Usually used in conjunction with a catch routine. */
+
+NORETURN void (*error_hook) PARAMS (());
+
\f
/* Where to go for return_to_top_level (RETURN_ERROR). */
jmp_buf error_return;