This example shows how to get the double-byte character set vector from the country file, and displays the first and second range definition values.

#define INCL_DOSNLS     /* National Language Support values */
#define INCL_DOSERRORS  /* DOS Error values */
#include <os2.h>
#include <stdio.h>

int main(VOID) {
COUNTRYCODE  ctrycodeInfo      = {0};        /* Country code information */
UCHAR        uchDBCSInfo[12]   = {0};        /* DBCS information buffer */
APIRET       rc                = NO_ERROR;   /* A return code */

ctrycodeInfo.country = 0;    /* Current country */
ctrycodeInfo.codepage = 0;   /* Current codepage */

rc = DosQueryDBCSEnv(sizeof(uchDBCSInfo),   /* Size of buffer */
                     &ctrycodeInfo,         /* Country code information */
                     uchDBCSInfo);          /* DBCS information buffer */

if (rc != NO_ERROR) {
   printf("DosQueryDBCSEnv error: return code = %u\n", rc);
   return 1;
 } else {
      /* For non-DBCS countries, these will be 4 bytes of 0 */
   printf("DBCS 1st range definition: %2.2x %2.2x\n",
                            uchDBCSInfo[0], uchDBCSInfo[1]);
   printf("     2nd range definition: %2.2x %2.2x\n",
                            uchDBCSInfo[2], uchDBCSInfo[3]);
 } /* endif */


return NO_ERROR;
}