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X/Open Curses Library Functionsecho(3XCURSES)


NAME

 echo, noecho - enable/disable terminal echo

SYNOPSIS

 
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib \
-R /usr/xpg4/lib -lcurses [ library... ]

c89 [ flag... ] file... -lcurses [ library... ]
 
#include <curses.h>
int echo(void);
 int noecho(void);

DESCRIPTION

 

The echo() function enables Echo mode for the current screen. The noecho() 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. The echo() and noecho() functions control software echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.


RETURN VALUES

 

Upon successful completion, these functions return OK. Otherwise, they return ERR.


ERRORS

 

No errors are defined.


ATTRIBUTES

 

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityStandard
MT-LevelUnsafe

SEE ALSO

 

getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)



SunOS 5.9Go To TopLast Changed 5 Jun 2002