디스크 공간 구하기

#define MEGA (1024\*1024)   
#include <windows.h>   
  
int main(int argc, char\* argv[])   
{   
    ULARGE\_INTEGER lpFreeBytesAvailableToCaller;    
    ULARGE\_INTEGER lpTotalNumberOfBytes;       
    ULARGE\_INTEGER lpTotalNumberOfFreeBytes;  
  
    GetDiskFreeSpaceEx( "C:\\"  
                                    , &lpFreeBytesAvailableToCaller  
                                    , &lpTotalNumberOfBytes  
                                    , &lpTotalNumberOfFreeBytes  );  
  
    printf("%I64u %I64u %I64u \n"  
                , lpFreeBytesAvailableToCaller.QuadPart/MEGA  
                , lpTotalNumberOfBytes.QuadPart/MEGA  
                , lpTotalNumberOfFreeBytes.QuadPart/MEGA );  
  
    return 0;   
}