Clean up th ecompile process by centralizing the include files

- code compile tested, but due to a yet unresolved problem with
          parse.h's creation, compile not completed...

src/include/commands/defrem.h

@@ -0,0 +1,53 @@
+/*-------------------------------------------------------------------------
+ *
+ * defrem.h--
+ *    POSTGRES define and remove utility definitions.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: defrem.h,v 1.1 1996/08/28 07:21:46 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef	DEFREM_H
+#define DEFREM_H
+
+#include "postgres.h"
+#include "nodes/pg_list.h"
+#include "nodes/primnodes.h"
+#include "nodes/parsenodes.h"
+#include "tcop/dest.h"
+
+/*
+ * prototypes in defind.c
+ */
+extern void DefineIndex(char *heapRelationName, 
+			char *indexRelationName,
+			char *accessMethodName,
+			List *attributeList,
+			List *parameterList, Expr *predicate,
+			List *rangetable);
+extern void ExtendIndex(char *indexRelationName,
+			Expr *predicate,
+			List *rangetable);
+extern void RemoveIndex(char *name);
+
+/*
+ * prototypes in define.c
+ */
+extern void DefineFunction(ProcedureStmt *nameargsexe, CommandDest dest);
+extern void DefineOperator(char *name, List *parameters);
+extern void DefineAggregate(char *name, List *parameters);
+extern void DefineType(char *name, List *parameters);
+
+/*
+ * prototypes in remove.c
+ */
+extern void RemoveFunction(char *functionName, int nargs, List *argNameList);
+extern void RemoveOperator(char *operatorName, 
+			   char *typeName1, char *typeName2);
+extern void RemoveType(char *typeName);
+extern void RemoveAggregate(char *aggName);
+
+#endif	/* DEFREM_H */