C / C++ / MFC

#include <atlbase.h>
extern CComModule _Module;
#include <atlwin.h>

int WinMain ( HINSTANCE hinst, ... )
{
  _Module.Init ( NULL, hinst ); 
 
.....
 
  _Module.Term();  return msg.wParam;
}

void DoSomething( int ** p_ppiArray )
{
   // Change the address of the array pointed to by p_ppiArray...you don't have to allocate with 'new' here, you could make it point to something else, as long as it's not a local variable.
   *p_ppiArray = new int[10];
}

void SomeOtherFunction()
{
   int * a_piArray = NULL;
   DoSomething( &a_piArray );
   
   // Do something with the array here...
   
   // Don't forget to delete the memory!
   delete [] a_piArray;
}

ofstream* df[100];
for (int i=0;i<100;i++)
{
  string  filename("data");
  filename.append(itoa(i));
  filename.append(".txt")
  df[i]->open(filename,ios...
...