Update sql_functions.h

include/sql_functions.h

@@ -6,8 +6,8 @@
 /* THIS FILE IS DEDICATED TO PROVIDED THE METHODS AND DEFINTIONS FOR THE DATABASE */
 /* THROUGH THIS, I AM USING MY PRE-DEFINED DATA TYPES AS DEMONSTRATED IN COMMON.H */
 
-#ifndef SQL_FUNCTION
-#define SQL_FUNCTION
+#ifndef _SQL_FUNCTION_
+#define _SQL_FUNCTION_
 
 #include <sqlite3.h>
 #include "common.h"
@@ -16,16 +16,25 @@
 /* TYPE-DEFINED DATA TYPES AND METHODS ALLOW ME TO HONE IN SPECIFICALLY ON DYNAMICALLY ALLOCATED MEMORY */
 /* ACROSS THE PROGRAM, AS WELL AS PROVIDING AN ABBREVIATION FOR THE FUNCTION NAME TO REDUCE BOILERPLATE */
 
-typedef struct FUNCTION
+
+typedef U32 EXIT;
+typedef char* ERROR_MESSAGE;
+
+/* CREATED METHODS INSIDE OF THIS STRUCTURE */
+/* THROUGH THE USE OF MAKING MY VARIABLES AND DATA TYPES TYPE DEFINED */
+/* THIS ALLOWS ME TO CREATE RAW POINTERS BETWEEN METHODS SO THAT I CAN */
+/* INITIALISE THEM IN THE MAIN FILE */
+
+typedef struct SQL_FUNCTION
 {
-	typedef U32 CREATE_DATABASE(SQL_CHAR);
-	typedef U32 CREATE_TABLE(SQL_CHAR);
-	typedef U32 DELETE_TREE(SQL_CHAR);
-	typedef U32 INSERT(SQL_CHAR);
-	typedef U32 UPDATE(SQL_CHAR);
-	typedef U32 SELECT(SQL_CHAR);
-	typedef U32 ALLOC(SQL_CHAR);
-	typedef U32 CALLBACK;
+	typedef U32 CREATE_DATA();
+	typedef U32 CREATE_TABLE();
+	typedef U32 DELETE();
+	typedef U32 INSERT();
+	typedef U32 UPDATE();
+	typedef U32 SELECT();
+	typedef U32 ALLOC();
+	typedef U32 CALLBACK();
 };
 
 #endif