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

unsigned int chars[] = {
    '.',
    '1',
    'A',
    0x8143, /* double-byte , */
    0x8183, /* double-byte < */
    0x8254, /* double-byte 5 */
    0x8277, /* double-byte X */
    0xA6
};

#define SIZE sizeof( chars ) / sizeof( unsigned int )

void main()
  {
    int   i;

    _setmbcp( 932 );
    for( i = 0; i < SIZE; i++ ) {
      printf( "%#6.4x is %sa valid "
            "multibyte digit character\n",
            chars[i],
            ( _ismbcdigit( chars[i] ) ) ? "" : "not " );
    }
  }