xref: /titanic_51/usr/src/man/man3xcurses/ungetch.3xcurses (revision 2227b8ad8ebd0984a34b696ce07145248700852b)
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UNGETCH 3XCURSES "Jun 5, 2002"
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 TYPE ATTRIBUTE VALUE
Interface Stability Standard
MT-Level Unsafe
SEE ALSO

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