-}
-
-/*
- * When a hangup occurs our actions are similar to a preserve
- * command. If the buffer has not been [Modified], then we do
- * nothing but remove the temporary files and exit.
- * Otherwise, we sync the temp file and then attempt a preserve.
- * If the preserve succeeds, we unlink our temp files.
- * If the preserve fails, we leave the temp files as they are
- * as they are a backup even without preservation if they
- * are not removed.
- */
-onhup()
-{
-
- if (chng == 0) {
- cleanup(1);
- exit(0);
- }
- if (setexit() == 0) {
- if (preserve()) {
- cleanup(1);
- exit(0);
- }
- }
- exit(1);
-}
-
-/*
- * An interrupt occurred. Drain any output which
- * is still in the output buffering pipeline.
- * Catch interrupts again. Unless we are in visual
- * reset the output state (out of -nl mode, e.g).
- * Then like a normal error (with the \n before Interrupt
- * suppressed in visual mode).
- */
-onintr()
-{
-
-#ifndef CBREAK
- signal(SIGINT, onintr);
-#else
- signal(SIGINT, inopen ? vintr : onintr);