#include <ctype.h>
#include <string.h>
#include <iostream.h>
#include <my/it.h>
#include <my/CallbackResult.h>
#include <stdlib.h>

int
main( int, char ** )
{
    char buffer[ 512 ];
    ITDBInfo dbinfo;
    if (getenv("DATABASE")!=NULL) dbinfo.SetDatabase(getenv("DATABASE"));
    else {cout << "Not set environment variable DATABASE.\n";exit( 1 );}

    ITConnection conn;
    conn.AddCallback( errorHandlerConnection, (void *)&cerr );
    conn.Open(dbinfo);

    ITQuery q( conn );
    q.AddCallback( errorHandlerQuery, (void *)&cerr );

    ITString query;
    query = "insert into defaults (var_name, bs_user, d_t) values ('variable', 8, CURRENT);";
    q.ExecForStatus(query);

    cout << sqlca.sqlerrd[ 1 ] << "\n";

    conn.Close();
    return  0 ;
}

CallbackResult.h    [----] 33 L:[  1+ 0   1/ 80] *(33  /1977b)= .  10 0x0A
----------------------------------------------------------------------
#ifndef _IT_CALLBACK_RESULT_MY_H_
#define _IT_CALLBACK_RESULT_MY_H_


#include <ctype.h>
#include <string.h>
#include <iostream.h>
#include <my/it.h>
#include <stdlib.h>

ITCallbackResult
errorHandlerQuery(const ITErrorManager &errorobject,
                 void *userdata,
                 long errorlevel)
{
    // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    // вот это место
    cout << sqlca.sqlerrd[ 1 ] << "\n";
    // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    ITQuery *query=(ITQuery *) userdata;
    // Cast the user data into a stream

    if (errorobject.Error())
    {
      ITString str;
      str.Append("my_error_handler(Query): ").Append("\n");
      str.Append("SQLError: ").Append(errorobject.ErrorText()).Append("\n");
      str.Append(query->QueryText()).Append("\n").Append(query->Command()).Append("\n");
      cout << str.Data();

    }

    return IT_HANDLED;
}
 ... пошкипано ...
#endif