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

unsigned int chars[] = {
    'A',
    0x8131, /* illegal double-byte character */
    0x8140, /* double-byte space */
    0x8143, /* double-byte , */
    0x8260, /* double-byte A */
    0x829F, /* double-byte Hiragana */
    0x8340, /* double-byte Katakana */
    0x837F, /* illegal double-byte character */
    0x889E, /* double-byte L0 character */
    0x889F, /* double-byte L1 character */
    0x989F, /* double-byte L2 character */
    0xEA9E, /* double-byte L2 character */
    0xA6    /* single-byte Katakana */
};

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

void main()
  {
    int   i;

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