### Example (iswalnum to iswxdigit -- Test Wide Integer Value)

This example analyzes all characters between 0x0 and 0xFF. The output of this example is a 256-line table showing the characters from 0 to 255, indicating whether they have the properties tested for.

    #include <locale.h>
    #include <stdlib.h>
    #include <stdio.h>
    #include <wctype.h>

    #define UPPER_LIMIT   0xFF

    #if (1 == __TOS_OS2__)
       #define LOCNAME "en_us.ibm-437"       /* OS/2 name */
    #else
       #define LOCNAME "en_us.ibm-1252"   /* Windows name */
    #endif

    int main(void)
    {
       wint_t wc;

       if (NULL == setlocale(LC_ALL, LOCNAME)) {
          printf("Locale \"%s\" could not be loaded\n", LOCNAME);
          exit(1);
       }
       for (wc = 0; wc <= UPPER_LIMIT; wc++) {
          printf("%#4x ", wc);
          printf("%c", iswprint(wc)  ? wc    : ' ');
          printf("%s", iswalnum(wc)  ? " AN" : "   ");
          printf("%s", iswalpha(wc)  ? " A " : "   ");
          printf("%s", iswcntrl(wc)  ? " C " : "   ");
          printf("%s", iswdigit(wc)  ? " D " : "   ");
          printf("%s", iswgraph(wc)  ? " G " : "   ");
          printf("%s", iswlower(wc)  ? " L " : "   ");
          printf("%s", iswpunct(wc)  ? " PU" : "   ");
          printf("%s", iswspace(wc)  ? " S " : "   ");
          printf("%s", iswprint(wc)  ? " PR" : "   ");
          printf("%s", iswupper(wc)  ? " U " : "   ");
          printf("%s", iswxdigit(wc) ? " H " : "   ");
          putchar('\n');
       }
       return 0;

       /**********************************************************
          The output should be similar to :
          :
          0x20                        S  PR
          0x21 !             G     PU    PR
          0x22 "             G     PU    PR
          0x23 #             G     PU    PR
          0x24 $             G     PU    PR
          0x25 %             G     PU    PR
          0x26 &             G     PU    PR
          0x27 '             G     PU    PR
          0x28 (             G     PU    PR
          0x29 )             G     PU    PR
          0x2a *             G     PU    PR
          0x2b +             G     PU    PR
          0x2c ,             G     PU    PR
          0x2d -             G     PU    PR
          0x2e .             G     PU    PR
          0x2f /             G     PU    PR
          0x30 0 AN       D  G           PR    H
          0x31 1 AN       D  G           PR    H
          0x32 2 AN       D  G           PR    H
          0x33 3 AN       D  G           PR    H
          0x34 4 AN       D  G           PR    H
          0x35 5 AN       D  G           PR    H
          0x36 6 AN       D  G           PR    H
          0x37 7 AN       D  G           PR    H
          0x38 8 AN       D  G           PR    H
          0x39 9 AN       D  G           PR    H
          :
       ************************************************************/
    }