// standio.hpp		A pair of classes to handle I/O from EITHER a//			named file OR STDIN/STDOUT//	tested on MSDOS with Zortech C++ 3.0	       Borland C++ 3.0//	on Unix  with AT&T 2.1 on MIPS and SGI Indigo workstations//                     (c) Copyright 1995, Everett F. Carter Jr.//                     Permission is granted by the author to use//		       this software for any application provided this//		       copyright notice is preserved.// rcsid: $Id$   EFC#ifndef STANDARD_IO_HPP_#define STANDARD_IO_HPP_ $Revision:   1.8  $#include <stdlib.h>#include <iostream.h>#ifdef __ZTC__#include <fstream.hpp>#ifndef LOCAL_FILEBUF		/* Zortech MUST have this define ON */#define LOCAL_FILEBUF#endif#else#include <fstream.h>#endif#ifdef __GNUC__#include <streambuf.h>#endifclass Stdin : public streambuf, public ifstream, virtual public ios{	private:          char *fname;#ifdef LOCAL_FILEBUF	  filebuf InputFile;#endif	  int do_open_input(char* infile, int mode = ios::in );          void open_input(int *argc, char **argv, int mode);         public:          Stdin(int *argc, char **argv, int mode = 0);          Stdin(char* infile = NULL, int mode = 0);         ~Stdin() { if (fname) close(); }	  const char* name() const;                                     };class Stdout : public streambuf, public ofstream, virtual public ios{	private:          char *fname;#ifdef LOCAL_FILEBUF	  filebuf OutputFile;#endif	  int  do_open_output(char* outfile, int mode = ios::out );	  void open_output(int *argc, char **argv, int mode);        public:          Stdout(int *argc, char **argv, int mode = 0);          Stdout(char* outfile = NULL, int mode = 0);         ~Stdout() { if ( fname ) { flush(); close(); } }	  const char* name() const;};#endif