+ <STRONG>o</STRONG> if an internal <STRONG><A HREF="curs_add_wch.3x.html">wadd_wch(3x)</A></STRONG> call returns an error.
+
+ 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>
+ All of these functions except <STRONG>waddnwstr</STRONG> may be implemented as macros.
+
+
+</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
+ X/Open Curses, Issue 4 describes these functions.