Ultrix-3.1/src/libcurses/tstp.c
/**********************************************************************
* Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. *
* All Rights Reserved. *
* Reference "/usr/src/COPYRIGHT" for applicable restrictions. *
**********************************************************************/
/* SCCSID: @(#)tstp.c 3.0 4/22/86 */
# include <signal.h>
# include "curses.ext"
/*
* handle stop and start signals
*
* (Berkeley)
*/
tstp() {
# ifdef SIGTSTP
SGTTY tty;
# ifdef DEBUG
if (outf)
fflush(outf);
# endif
tty = _tty;
mvcur(0, COLS - 1, LINES - 1, 0);
endwin();
fflush(stdout);
kill(0, SIGTSTP);
signal(SIGTSTP, tstp);
_tty = tty;
stty(_tty_ch, &_tty);
wrefresh(curscr);
# endif SIGTSTP
}