+ <B>o</B> The <B>winch</B> function was part of the original BSD curses library,
+ which stored a 7-bit character combined with the <I>standout</I>
+ attribute.
+
+ In BSD curses, <B>winch</B> returned only the character (as an integer)
+ with the <I>standout</I> attribute removed.
+
+ <B>o</B> System V curses added support for several video attributes which
+ could be combined with characters in the window.
+
+ Reflecting this improvement, the function was altered to return the
+ character combined with all video attributes in a <B>chtype</B> value.
+
+ X/Open Curses does not specify the size and layout of attributes, color
+ and character values in <B>chtype</B>; it is implementation-dependent. This
+ implementation uses 8 bits for character values. An application using
+ more bits, e.g., a Unicode value, should use the wide-character
+ equivalents to these functions.
+
+
+</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
+ <B><A HREF="curses.3X.html">curses(3X)</A></B>
+ gives an overview of the WINDOW and <B>chtype</B> data types.
+
+ <B><A HREF="curs_attr.3X.html">curs_attr(3X)</A></B>
+ goes into more detail, pointing out portability problems and
+ constraints on the use of <B>chtype</B> for returning window information.
+
+ <B><A HREF="curs_in_wch.3X.html">curs_in_wch(3X)</A></B>
+ describes comparable functions for the wide-character (ncursesw)
+ library.