SETCONSOLEPID
if ((fp = fopen(SETCONSOLEPID, "w")) == NULL)
die(gettext("cannot open %s"), SETCONSOLEPID);
if ((fp = fopen(SETCONSOLEPID, "r+")) == NULL)
(void) unlink(SETCONSOLEPID);
(void) unlink(SETCONSOLEPID);
(void) unlink(SETCONSOLEPID);