Move Std.hpp into CRT directory

It's also been renamed to stddef.h since all it contained was the
definition of NULL, which lives in that header in a standard C library.

decompile/Makefile

@@ -38,11 +38,11 @@ src/JSRF/Jet2.exe: $(OBJ) $(LIB)
 
 
 # Header files used for each object
-src/JSRF/Jet2.obj: src/JSRF/Core.hpp src/Std.hpp src/XDK/D3D.h\
+src/JSRF/Jet2.obj: src/JSRF/Core.hpp src/XDK/CRT/stddef.h src/XDK/D3D.h\
                    src/XDK/Win32.h
 
-src/JSRF/Core.obj: src/JSRF/Core.hpp src/Smilebit/MMatrix.hpp src/Std.hpp\
-                   src/XDK/D3D.h src/XDK/Win32.h
+src/JSRF/Core.obj: src/JSRF/Core.hpp src/Smilebit/MMatrix.hpp\
+                   src/XDK/CRT/stddef.h src/XDK/D3D.h src/XDK/Win32.h
 
 src/JSRF/GameData.obj: src/JSRF/GameData.hpp
 

decompile/src/JSRF/Core.cpp

@@ -4,6 +4,7 @@ Game and GameObj classes that form the foundation of the JSRF game code.
 
 #pragma bss_seg(".data")
 
+#include "../XDK/CRT/stddef.h"
 #include "Core.hpp"
 
 // Declarations for symbols not yet defined in their own source files

decompile/src/JSRF/Core.hpp

@@ -6,7 +6,7 @@ Game and GameObj classes that form the foundation of the JSRF game code.
 #define CORE_HPP
 
 #include "../Smilebit/MMatrix.hpp"
-#include "../Std.hpp"
+#include "../XDK/CRT/stddef.h"
 #include "../XDK/D3D.h"
 #include "../XDK/Win32.h"
 

decompile/src/JSRF/Jet2.cpp

@@ -4,6 +4,7 @@ Main function.
 
 #pragma bss_seg(".data")
 
+#include "../XDK/CRT/stddef.h"
 #include "Core.hpp"
 
 

decompile/src/Smilebit/MMatrix.cpp

@@ -6,7 +6,7 @@ Smilebit's stack-based matrix math library.
 #pragma bss_seg (".data"  )
 
 
-#include "../Std.hpp"
+#include "../XDK/CRT/stddef.h"
 #include "../XDK/Win32.h"
 #include "MMatrix.hpp"
 

decompile/src/Std.hpp

@@ -1,12 +0,0 @@
-/* JSRF Decompilation: Std.hpp
-C(++) standard library definitions.  Implemented in the repository instead of
-linking to an outside stdlib to ensure consistency (this may not actually be
-possible to accomplish, but we'll go for it for now).
-*/
-
-#ifndef STD_HPP
-#define STD_HPP
-
-#define NULL 0
-
-#endif

decompile/src/XDK/CRT/stddef.h

@@ -0,0 +1,8 @@
+/* JSRF Decompilation: XDK/CRT/stddef.h */
+
+#ifndef STDDEF_H
+#define STDDEF_H
+
+#define NULL 0
+
+#endif