- Functions with a "mv" prefix first perform a cursor movement using
- <STRONG>wmove</STRONG>, and return an error if the position is outside the window, or if
- the window pointer is null.
+ <STRONG>o</STRONG> if the associated call to <STRONG>wget_wch</STRONG> failed.
+
+ Functions prefixed with "mv" first perform cursor movement and fail if
+ the position (<EM>y</EM>, <EM>x</EM>) is outside the window boundaries.
+
+
+</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
+ Any of these functions other than <STRONG>wgetn_wstr</STRONG> may be macros.
+
+ Using <STRONG>get_wstr</STRONG>, <STRONG>mvget_wstr</STRONG>, <STRONG>mvwget_wstr</STRONG>, or <STRONG>wget_wstr</STRONG> to read a line
+ that overflows the array pointed to by <STRONG>wstr</STRONG> causes undefined results.
+ The use of <STRONG>getn_wstr</STRONG>, <STRONG>mvgetn_wstr</STRONG>, <STRONG>mvwgetn_wstr</STRONG>, or <STRONG>wgetn_wstr</STRONG>,
+ respectively, is recommended.
+
+ These functions cannot return <STRONG>KEY_</STRONG> values because there is no way to
+ distinguish a <STRONG>KEY_</STRONG> value from a valid <STRONG>wchar_t</STRONG> value.