#include <stdio.h> 
void main()
{ 
  char s[128]; 
  puts("begin test");
  do { gets(s); puts(s); } while(s[0]); 
  puts("end test");
}

#include "myprocess.h"

myProcess::myProcess(QWidget *parent) : QDialog(parent)
{
	sb.setText("start");
	ib.setText("input");
	QVBoxLayout *vl=new QVBoxLayout;
	vl->addWidget(&sb);
	vl->addWidget(&te);
	vl->addWidget(&le);
	vl->addWidget(&ib);
	setLayout(vl);

	connect(&sb,SIGNAL(clicked()),this,SLOT(startProcess()));
	connect(&ib,SIGNAL(clicked()),this,SLOT(doInput()));
	connect(&myProc,SIGNAL(readyReadStandardOutput()),this,SLOT(showOutput()));
	connect(&myProc,SIGNAL(readyReadStandardError()),this,SLOT(showOutput()));
}

void myProcess::startProcess()
{
	QString prog="testcon.exe";
	myProc.start(prog);
	if(myProc.waitForStarted())
		te.append(QString("Program <b>%1</b> started").arg(prog));
	else
		te.append(QString("Can't start program <b>%1</b>").arg(prog));
}

void myProcess::doInput()
{
	QString s=le.text()+"\n";
	if(myProc.write(s.toAscii())!=-1) le.clear();
}

void myProcess::showOutput()
{
	te.append(QString::fromLocal8Bit(myProc.readAllStandardOutput()));
	te.append(QString::fromLocal8Bit(myProc.readAllStandardError()));
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    myProcess p;
    p.show();
    return a.exec();
}

#include <QtGui>

class myProcess : public QDialog
{
    Q_OBJECT

public:
    myProcess(QWidget *parent=0);
private slots:
	void startProcess();
	void showOutput();
	void doInput();
private:
	QProcess myProc;
	QTextEdit te;
	QLineEdit le;
	QPushButton sb,ib;
};

setvbuf(stdout,NULL,0,_IOFBF);

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