UNGETCH(3XCURSES) X/Open Curses Library Functions UNGETCH(3XCURSES)
NAME
ungetch, unget_wch - push character back onto the input queue
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 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(7) 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(7),
standards(7) June 5, 2002 UNGETCH(3XCURSES)
