+typedef void *SQLHWND;
+
+typedef unsigned char UCHAR;
+typedef long int SDWORD;
+typedef short int SWORD;
+typedef unsigned long int UDWORD;
+typedef unsigned short int UWORD;
+typedef long SQLINTEGER;
+typedef UDWORD SQLUINTEGER;
+
+typedef void FAR *PTR;
+typedef void FAR *HENV;
+typedef void FAR *HDBC;
+typedef void FAR *HSTMT;
+
+typedef signed short RETCODE;
+#define SQLRETURN RETCODE
+
+
+#define ODBCVER 0x0250
+
+#define SQL_MAX_MESSAGE_LENGTH 512
+#define SQL_MAX_DSN_LENGTH 32
+
+/*
+ * Function return codes
+ */
+#define SQL_INVALID_HANDLE (-2)
+#define SQL_ERROR (-1)
+#define SQL_SUCCESS 0
+#define SQL_SUCCESS_WITH_INFO 1
+#define SQL_NO_DATA_FOUND 100
+
+/*
+ * Standard SQL datatypes, using ANSI type numbering
+ */
+#define SQL_CHAR 1
+#define SQL_NUMERIC 2
+#define SQL_DECIMAL 3
+#define SQL_INTEGER 4
+#define SQL_SMALLINT 5
+#define SQL_FLOAT 6
+#define SQL_REAL 7
+#define SQL_DOUBLE 8
+#define SQL_VARCHAR 12
+
+#define SQL_TYPE_MIN SQL_CHAR
+#define SQL_TYPE_NULL 0
+#define SQL_TYPE_MAX SQL_VARCHAR
+
+/*
+ * C datatype to SQL datatype mapping
+ */
+#define SQL_C_CHAR SQL_CHAR
+#define SQL_C_LONG SQL_INTEGER
+#define SQL_C_SHORT SQL_SMALLINT
+#define SQL_C_FLOAT SQL_REAL
+#define SQL_C_DOUBLE SQL_DOUBLE
+#define SQL_C_DEFAULT 99
+
+/*
+ * NULL status constants.
+ */
+#define SQL_NO_NULLS 0
+#define SQL_NULLABLE 1
+#define SQL_NULLABLE_UNKNOWN 2
+
+/*
+ * Special length values
+ */
+#define SQL_NULL_DATA (-1)
+#define SQL_DATA_AT_EXEC (-2)
+#define SQL_NTS (-3)
+
+/*
+ * SQLFreeStmt
+ */
+#define SQL_CLOSE 0
+#define SQL_DROP 1
+#define SQL_UNBIND 2
+#define SQL_RESET_PARAMS 3
+
+/*
+ * SQLTransact
+ */
+#define SQL_COMMIT 0
+#define SQL_ROLLBACK 1
+
+/*
+ * SQLColAttributes
+ */
+#define SQL_COLUMN_COUNT 0
+#define SQL_COLUMN_NAME 1
+#define SQL_COLUMN_TYPE 2
+#define SQL_COLUMN_LENGTH 3
+#define SQL_COLUMN_PRECISION 4
+#define SQL_COLUMN_SCALE 5
+#define SQL_COLUMN_DISPLAY_SIZE 6
+#define SQL_COLUMN_NULLABLE 7
+#define SQL_COLUMN_UNSIGNED 8
+#define SQL_COLUMN_MONEY 9
+#define SQL_COLUMN_UPDATABLE 10
+#define SQL_COLUMN_AUTO_INCREMENT 11
+#define SQL_COLUMN_CASE_SENSITIVE 12
+#define SQL_COLUMN_SEARCHABLE 13
+#define SQL_COLUMN_TYPE_NAME 14
+#define SQL_COLUMN_TABLE_NAME 15
+#define SQL_COLUMN_OWNER_NAME 16
+#define SQL_COLUMN_QUALIFIER_NAME 17
+#define SQL_COLUMN_LABEL 18
+
+#define SQL_COLATT_OPT_MAX SQL_COLUMN_LABEL
+#define SQL_COLATT_OPT_MIN SQL_COLUMN_COUNT
+#define SQL_COLUMN_DRIVER_START 1000
+
+/*
+ * SQLColAttributes : SQL_COLUMN_UPDATABLE
+ */
+#define SQL_ATTR_READONLY 0
+#define SQL_ATTR_WRITE 1
+#define SQL_ATTR_READWRITE_UNKNOWN 2
+
+/*
+ * SQLColAttributes : SQL_COLUMN_SEARCHABLE
+ */
+#define SQL_UNSEARCHABLE 0
+#define SQL_LIKE_ONLY 1
+#define SQL_ALL_EXCEPT_LIKE 2
+#define SQL_SEARCHABLE 3
+
+/*
+ * NULL Handles
+ */
+#define SQL_NULL_HENV 0
+#define SQL_NULL_HDBC 0
+#define SQL_NULL_HSTMT 0
+
+
+/*
+ * Function Prototypes
+ */
+#ifdef __cplusplus
+extern "C"