echo(3curses)
echo --
enable/disable terminal echo
Synopsis
cc [options] file -lcurses
#include <curses.h>
int echo(void);
int noecho(void);
Description
The
echo(3curses)
function enables Echo mode for the current screen. The
noecho(3curses)
function disables Echo mode for the current screen.
Initially, curses software echo mode is enabled and hardware
echo mode of the tty driver is disabled.
echo(3curses)
and
noecho(3curses)
control software echo only.
Hardware echo must remain disabled for
the duration of the application, else the behaviour is undefined.
Return value
Upon successful completion, these functions return OK.
Otherwise, they return ERR.
Errors
No errors are defined.
Standards Conformance
The Single UNIX Specification, Version 2; The Open Group.
References
``Input Processing'',
getch(3curses),
curses(4),
termio(7)
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004