Move libultra variables to their respective headers (#1369)

* internal_rsp; move size_t and NULL to ultratypes.h

* guint.h

* Move system variables to os_system.h

* controller, pi and vi

* osint.h

* piint.h

* siint, ucode, viint, voiceinternal

* Remove remaining variables from variables.h

* format

* final renames

* bss

* review

* review

src/code/padmgr.c

@@ -36,6 +36,8 @@
 #include "PR/os_motor.h"
 #include "fault.h"
 
+extern FaultMgr gFaultMgr;
+
 #define PADMGR_RETRACE_MSG (1 << 0)
 #define PADMGR_PRE_NMI_MSG (1 << 1)
 #define PADMGR_NMI_MSG (1 << 2)

src/code/z_actor.c

@@ -3,8 +3,7 @@
  * Description:
  */
 
-#include "prevent_bss_reordering.h"
-#include "global.h"
+#include "z64actor.h"
 #include "fault.h"
 #include "sys_cfb.h"
 #include "loadfragment.h"

src/code/z_camera.c

@@ -43,6 +43,7 @@
  *
  */
 
+#include "prevent_bss_reordering.h"
 #include "global.h"
 #include "libc/string.h"
 #include "z64quake.h"

src/code/z_collision_check.c

@@ -1,4 +1,3 @@
-#include "prevent_bss_reordering.h"
 #include "global.h"
 #include "z64collision_check.h"
 

src/code/z_nmi_buff.c

@@ -13,7 +13,7 @@ typedef struct {
 NmiBuff* gNMIBuffer;
 
 void Nmi_Init(void) {
-    gNMIBuffer = (NmiBuff*)osAppNmiBuffer;
+    gNMIBuffer = (NmiBuff*)osAppNMIBuffer;
     gNMIBuffer->resetting = false;
 
     if (osResetType == COLD_RESET) {

src/code/z_parameter.c

@@ -1,4 +1,5 @@
 #include "global.h"
+#include "PR/gs2dex.h"
 #include "sys_cfb.h"
 #include "z64snap.h"
 #include "z64view.h"

src/code/z_room.c

@@ -1,4 +1,5 @@
 #include "global.h"
+#include "PR/gs2dex.h"
 #include "debug.h"
 
 void Room_Noop(PlayState* play, Room* room, Input* input, s32 arg3) {