iosfwd.html
来自「ST20 Embedded Toolset R2.0.5用于开发基于ST20芯片」· HTML 代码 · 共 41 行
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<HTML><HEAD><TITLE><iosfwd></TITLE></HEAD><BODY><H1><A NAME="<iosfwd>"><CODE><iosfwd></CODE></A></H1><HR><P>Include the <A HREF="lib_cpp.html#iostreams">iostreams</A>standard header <B><CODE><iosfwd></CODE></B>to declare forward references to several template classes usedthroughout iostreams. All such template classes are defined in otherstandard headers. You include this header explicitly only whenyou need one of the above declarations, but not its definition.</P><PRE> // DECLARATIONStypedef T1 <B><A HREF="ios.html#streamoff">streamoff</A></B>;typedef T2 <B><A HREF="ios.html#streamsize">streamsize</A></B>;typedef fpos <B><A HREF="ios.html#streampos">streampos</A></B>; // CLASSESclass <B><A HREF="string2.html#char_traits">char_traits</A></B>;class <B><A HREF="ios.html#ios">ios</A></B>;class <B><A HREF="streambu.html#streambuf">streambuf</A></B>;class <B><A HREF="istream.html#istream">istream</A></B>;class <B><A HREF="ostream.html#ostream">ostream</A></B>;class <B><A HREF="sstream.html#stringbuf">stringbuf</A></B>;class <B><A HREF="sstream.html#istringstream">istringstream</A></B>;class <B><A HREF="sstream.html#ostringstream">ostringstream</A></B>;class <B><A HREF="fstream.html#filebuf">filebuf</A></B>;class <B><A HREF="fstream.html#ifstream">ifstream</A></B>;class <B><A HREF="fstream.html#ofstream">ofstream</A></B>; // END OF DECLARATIONS</PRE><HR><P>See also the<B><A HREF="index.html#Table of Contents">Table of Contents</A></B> and the<B><A HREF="_index.html">Index</A></B>.</P><P><I><A HREF="crit_pjp.html">Copyright</A> © 1992-2002by P.J. Plauger. All rights reserved.</I></P><!--V4.01:1125--></BODY></HTML>⌨️ 快捷键说明
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