#define MAX_CHAR_SIZE	1000	/* replace by value from ODBC */
#define DB_MSG 800  /* max length message for report_error() */
#define OD_MSG 500  /* max length of message returned by SQLGetDiagRec() */

/* cursors */
typedef struct _cursor {
    SQLHSTMT    stmt;
    dbToken token;
    int type;              /* type of cursor: SELECT, UPDATE, INSERT */
    int nrows;             /* number of rows selected by SELECT statement */
} cursor;  

#ifdef MAIN
    SQLHENV	ODenvi;  /* Handle ODBC environment */
    SQLHDBC    	ODconn;      /* Handle connection  */
#else
    extern  SQLHENV  ODenvi;  /* Handle ODBC environment */
    extern  SQLHDBC  ODconn;      /* Handle connection  */
#endif