ungetch(3curses)
ungetch --
push a character onto the input queue
Synopsis
cc [options] file -lcurses
#include <curses.h>
int ungetch(int ch);
int unget_wch(const wchar_t wch);
Description
The
ungetch(3curses)
function pushes the single-byte character ch onto the head of the input
queue.
The
unget_wch(3curses)
function pushes the wide character wch onto the head of the input queue.
One character of push-back is guaranteed.
The result of successive calls without an
intervening call to
getch(3curses)
or
get_wch(3curses)
are unspecified.
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),
get_wch(3curses),
curses(4)
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004