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+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc. *
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- * @Id: curs_getch.3x,v 1.49 2016/10/15 16:44:01 tom Exp @
+ * @Id: curs_getch.3x,v 1.51 2017/11/21 00:45:48 tom Exp @
-->
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other than <STRONG>ERR</STRONG> (<STRONG>OK</STRONG> in the case of <STRONG>ungetch</STRONG>) upon successful completion.
<STRONG>ungetch</STRONG>
- returns ERR if there is no more room in the FIFO.
+ returns <STRONG>ERR</STRONG> if there is no more room in the FIFO.
<STRONG>wgetch</STRONG>
- returns ERR if the window pointer is null, or if its timeout
+ returns <STRONG>ERR</STRONG> if the window pointer is null, or if its timeout
expires without having any data, or if the execution was inter-
rupted by a signal (<STRONG>errno</STRONG> will be set to <STRONG>EINTR</STRONG>).
Programmers concerned about portability should be prepared for either
of two cases: (a) signal receipt does not interrupt <STRONG>getch</STRONG>; (b) signal
- receipt interrupts <STRONG>getch</STRONG> and causes it to return ERR with <STRONG>errno</STRONG> set to
+ receipt interrupts <STRONG>getch</STRONG> and causes it to return <STRONG>ERR</STRONG> with <STRONG>errno</STRONG> set to
<STRONG>EINTR</STRONG>.
The <STRONG>has_key</STRONG> function is unique to <STRONG>ncurses</STRONG>. We recommend that any code
projects / ncurses.git / blobdiff