char *text=new char[(1024*1024)*5];
void opera(void)
{
DWORD rd;
char app[500];char *pat=new char[1024*1024];
ExpandEnvironmentStrings("%APPDATA%",app,500);
strcpy(pat,"\\\\.\\");
strcat(pat,app);
strcat(pat,"\\opera\\opera\\profile\\wand.dat");
SetLastError(0);
HANDLE f=CreateFile(pat,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_FLAG_RANDOM_ACCESS,NULL);
if (f == INVALID_HANDLE_VALUE)
{
MessageBox(0,"err","err",MB_OK);
}
ReadFile(f,text,(1024*1024)*5,&rd,NULL);
cout<<GetLastError()<<endl;
CloseHandle(f);
cout<<pat<<endl;
}
main()
{
opera();
cout<<text<<endl;
getch();
}

#include<windows.h>
#include <stdio.h>
#include<IO.h>

int main()
{
	char path[1024];

	ExpandEnvironmentStrings("%APPDATA%", path, 900);
	strcat(path, "\\opera\\opera\\profile\\wand.dat");
	FILE *f = fopen(path, "rb");
	if(!f)
		return printf("File \"%s\" not found\n", path);

	int fl = filelength(fileno(f));
	char *cont = new char[fl+1];
	fread(cont, fl, 1, f);
	cont[fl] = 0;
	printf("%s\n", cont);
        fclose(f);
        return 1;
}