diff --git a/include/sqltypes.h b/include/sqltypes.h
new file mode 100644
index 0000000..5a3761f
--- /dev/null
+++ b/include/sqltypes.h
@@ -0,0 +1,237 @@
+/*
+ * sqltypes.h
+ */
+#ifndef __SQLTYPES_H
+#define __SQLTYPES_H
+
+#ifndef ODBCVER
+#define ODBCVER	0x0351
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _WINDOWS
+#define FAR
+#define CALLBACK
+#define SQL_API
+#define	BOOL				int
+typedef void*				HWND;
+typedef char*				GUID;
+#define GUID_DEFINED
+typedef char				CHAR;
+typedef void				VOID;
+typedef unsigned short		WORD;
+typedef unsigned long		DWORD;
+typedef unsigned char		BYTE;
+typedef unsigned short 		WCHAR;
+typedef WCHAR* 		        LPWSTR;
+typedef const char*         LPCSTR;
+typedef char*               LPSTR;
+typedef DWORD*           	LPDWORD;
+#endif
+
+typedef unsigned char   SQLCHAR;
+
+#if (ODBCVER >= 0x0300)
+typedef unsigned char   SQLDATE;
+typedef unsigned char   SQLDECIMAL;
+typedef double          SQLDOUBLE;
+typedef double          SQLFLOAT;
+#endif
+
+typedef long            SQLINTEGER;
+
+#if (ODBCVER >= 0x0300)
+typedef unsigned char   SQLNUMERIC;
+#endif
+
+typedef void *          SQLPOINTER;
+
+#if (ODBCVER >= 0x0300)
+typedef float           SQLREAL;
+#endif
+
+typedef signed short int   SQLSMALLINT;
+typedef unsigned short  SQLUSMALLINT;
+
+#if (ODBCVER >= 0x0300)
+typedef unsigned char   SQLTIME;
+typedef unsigned char   SQLTIMESTAMP;
+typedef unsigned char   SQLVARCHAR;
+#endif
+
+typedef SQLSMALLINT     SQLRETURN;
+
+/* typedef void * 			SQLHANDLE; */
+
+typedef SQLINTEGER		SQLHANDLE;
+#if (ODBCVER >= 0x0300)
+
+typedef SQLHANDLE               SQLHENV;
+typedef SQLHANDLE               SQLHDBC;
+typedef SQLHANDLE               SQLHSTMT;
+typedef SQLHANDLE               SQLHDESC;
+
+#else
+typedef SQLINTEGER              SQLHENV;
+typedef SQLINTEGER              SQLHDBC;
+typedef SQLINTEGER              SQLHSTMT;
+#endif
+
+typedef signed char             SCHAR;
+typedef SCHAR                   SQLSCHAR;
+typedef long int                SDWORD;
+typedef signed short int        SWORD;
+typedef unsigned long int       UDWORD;
+typedef unsigned short int      UWORD;
+typedef UDWORD                  SQLUINTEGER;
+typedef signed long             SLONG;
+typedef signed short            SSHORT;
+typedef double                  SDOUBLE;
+typedef double            		LDOUBLE;
+typedef float                   SFLOAT;
+typedef void*              		PTR;
+typedef signed short            RETCODE;
+typedef void*                   SQLHWND;
+
+typedef SQLHANDLE          		HENV;
+typedef SQLHANDLE          		HDBC;
+typedef SQLHANDLE          		HSTMT;
+
+#ifndef	__SQLDATE
+#define	__SQLDATE
+typedef struct tagDATE_STRUCT
+{
+        SQLSMALLINT    year;
+        SQLUSMALLINT   month;
+        SQLUSMALLINT   day;
+} DATE_STRUCT;
+
+#if (ODBCVER >= 0x0300)
+typedef DATE_STRUCT	SQL_DATE_STRUCT;
+#endif
+
+typedef struct tagTIME_STRUCT
+{
+        SQLUSMALLINT   hour;
+        SQLUSMALLINT   minute;
+        SQLUSMALLINT   second;
+} TIME_STRUCT;
+
+#if (ODBCVER >= 0x0300)
+typedef TIME_STRUCT	SQL_TIME_STRUCT;
+#endif
+
+typedef struct tagTIMESTAMP_STRUCT
+{
+        SQLSMALLINT    year;
+        SQLUSMALLINT   month;
+        SQLUSMALLINT   day;
+        SQLUSMALLINT   hour;
+        SQLUSMALLINT   minute;
+        SQLUSMALLINT   second;
+        SQLUINTEGER    fraction;
+} TIMESTAMP_STRUCT;
+
+#if (ODBCVER >= 0x0300)
+typedef TIMESTAMP_STRUCT	SQL_TIMESTAMP_STRUCT;
+#endif
+
+
+#if (ODBCVER >= 0x0300)
+typedef enum
+{
+	SQL_IS_YEAR						= 1,
+	SQL_IS_MONTH					= 2,
+	SQL_IS_DAY						= 3,
+	SQL_IS_HOUR						= 4,
+	SQL_IS_MINUTE					= 5,
+	SQL_IS_SECOND					= 6,
+	SQL_IS_YEAR_TO_MONTH			= 7,
+	SQL_IS_DAY_TO_HOUR				= 8,
+	SQL_IS_DAY_TO_MINUTE			= 9,
+	SQL_IS_DAY_TO_SECOND			= 10,
+	SQL_IS_HOUR_TO_MINUTE			= 11,
+	SQL_IS_HOUR_TO_SECOND			= 12,
+	SQL_IS_MINUTE_TO_SECOND			= 13
+} SQLINTERVAL;
+
+#endif
+
+#if (ODBCVER >= 0x0300)
+typedef struct tagSQL_YEAR_MONTH
+{
+		SQLUINTEGER		year;
+		SQLUINTEGER		month;
+} SQL_YEAR_MONTH_STRUCT;
+
+typedef struct tagSQL_DAY_SECOND
+{
+		SQLUINTEGER		day;
+		SQLUINTEGER		hour;
+		SQLUINTEGER		minute;
+		SQLUINTEGER		second;
+		SQLUINTEGER		fraction;
+} SQL_DAY_SECOND_STRUCT;
+
+typedef struct tagSQL_INTERVAL_STRUCT
+{
+	SQLINTERVAL		interval_type;
+	SQLSMALLINT		interval_sign;
+	union {
+		SQL_YEAR_MONTH_STRUCT		year_month;
+		SQL_DAY_SECOND_STRUCT		day_second;
+	} intval;
+
+} SQL_INTERVAL_STRUCT;
+
+#endif
+
+#endif
+
+#if (ODBCVER >= 0x0300)
+#define ODBCINT64	long
+#ifdef ODBCINT64
+typedef ODBCINT64	SQLBIGINT;
+typedef unsigned ODBCINT64	SQLUBIGINT;
+#endif
+#endif
+
+#if (ODBCVER >= 0x0300)
+#define SQL_MAX_NUMERIC_LEN		16
+typedef struct tagSQL_NUMERIC_STRUCT
+{
+	SQLCHAR		precision;
+	SQLSCHAR	scale;
+	SQLCHAR		sign;	/* 1=pos 0=neg */
+	SQLCHAR		val[SQL_MAX_NUMERIC_LEN];
+} SQL_NUMERIC_STRUCT;
+#endif
+
+#if (ODBCVER >= 0x0350)
+#ifdef GUID_DEFINED
+typedef GUID	SQLGUID;
+#else
+typedef struct  tagSQLGUID
+{
+    DWORD Data1;
+    WORD Data2;
+    WORD Data3;
+    BYTE Data4[ 8 ];
+} SQLGUID;
+#endif
+#endif
+
+
+typedef unsigned long int       BOOKMARK;
+
+#define SQL_WCHAR             (-8)
+#define SQL_C_WCHAR            SQL_WCHAR
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif