xref: /titanic_51/usr/src/man/man3xcurses/ungetch.3xcurses (revision ed9aabc708901eb85fb058aacbd851c0fd958a16)
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ungetch 3XCURSES "5 Jun 2002" "SunOS 5.11" "X/Open Curses Library Functions"
NAME
ungetch, unget_wch - push character back onto the input queue
SYNOPSIS

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

c89 [ flag... ] file... -lcurses [ library... ]

#include <curses.h>

int ungetch(int ch);

int unget_wch(const wchar_t wch);
PARAMETERS

ch

Is the single byte character to be put back in the input queue for the next call to getch(3XCURSES).

wch

Is the wide character to be put back in the input queue for the next call to get_wch(3XCURSES).

DESCRIPTION

The ungetch() function pushes ch back onto the input queue until the next call to getch().

The unget_wch() function is similar to ungetch() except that ch can be of type wchar_t.

RETURN VALUES

On success, these functions return OK. Otherwise, they return ERR.

ERRORS

None.

ATTRIBUTES

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

ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityStandard
MT-LevelUnsafe
SEE ALSO

get_wch(3XCURSES), getch(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5)