void do_hangup (gw, closure, data) Widget gw; XtPointer closure GCC_UNUSED, data GCC_UNUSED;
void do_hangup ( Widget gw, XtPointer closure GCC_UNUSED, XtPointer data GCC_UNUSED)
void do_hangup (gw, closure, data)    Widget gw;    XtPointer closure GCC_UNUSED, data GCC_UNUSED;{    handle_send_signal (gw, SIGHUP);}