-</PRE>
-<H2>PORTABILITY</H2><PRE>
- The XSI Curses standard, Issue 4 describes these func-
- tions. The function <STRONG>vwprintw</STRONG> is marked TO BE WITHDRAWN,
- and is to be replaced by a function <STRONG>vw_printw</STRONG> using the
- <STRONG><stdarg.h></STRONG> interface. The Single Unix Specification, Ver-
- sion 2 states that <STRONG>vw_printw</STRONG> is preferred to <STRONG>vwprintw</STRONG>
- since the latter requires including <STRONG><varargs.h></STRONG>, which
- cannot be used in the same file as <STRONG><stdarg.h></STRONG>. This im-
- plementation uses <STRONG><stdarg.h></STRONG> for both, because that header
- is included in <STRONG><curses.h</STRONG>>.