6.30.1 C Example

     BOOL fOK;
     int  iSession;
     wchar_t *pwstrSurname;
     long lFlags;
     long lDataLen;
 
     fOK = LceGetFieldDataLength(iSession, "SURNAMEU", &lDataLen);
     lDataLen = ( (lDataLen + 1) * sizeof(wchar_t) );
     pwstrSurname = malloc(lDataLen);
     fOK = LceGetFieldValueU(iSession, "SURNAME", pwstrSurname, lDataLen, &lFlags);
 
     if (lFlags == 1)
     {
         realloc(pStrSurname, 21);
         strcpy(pStrSurname, "Surname Not Provided");
     }