باز کردن برنامه های دیگر در یک برنامه

#include <stdlib.h>
#include <iostream.h>
#include <conio.h>
void main()
{
char *p=new char[100];
cout<<"\nhello this is my program ";
lbl:
cout<<"\n****************************************************";
cout<<"\nEnter your program that you want to run : ";
cin.get(p,99,'\n');
cin.ignore();
int error=system(p);
cout<<"\nTo continue press enter ";
if(getch()==char(13))
goto lbl;

delete []p;
cout<<endl<<"Thank you for using this program";
cout<<endl<<"Have good dream........bye";
getch();
}