#include <stdio.h>
#include <mbctype.h>
#include <mbstring.h>

unsigned char mb1[2] = {
    0x00, 0x00
};

unsigned char mb2[4] = {
    0x81, 0x42, 0x81, 0x41
};

void main()
  {
    _setmbcp( 932 );
    printf( "%#6.4x\n", mb1[0] << 8 | mb1[1] );
    _mbccpy( mb1, mb2 );
    printf( "%#6.4x\n", mb1[0] << 8 | mb1[1] );
  }