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");
}