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

unsigned int chars[] = {
    ' ',
    '.',
    '1',
    'A',
    0x8140, /* double-byte space */
    0x8260, /* double-byte A */
    0x82A6, /* double-byte Hiragana */
    0x8342, /* double-byte Katakana */
    0xA1,   /* single-byte Katakana punctuation */
    0xA6,   /* single-byte Katakana alphabetic */
    0xDF,   /* single-byte Katakana alphabetic */
    0xE0A1  /* double-byte Kanji */
};

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

void main()
  {
    int   i;

    _setmbcp( 932 );
    for( i = 0; i < SIZE; i++ ) {
      printf( "%#6.4x is %sa single-byte "
              "Katakana alphabetic character\n",
            chars[i],
            ( _ismbbkalpha( chars[i] ) ) ? "" : "not " );
    }
  }