Attempt to decompile guScale

src/include/gvars/gvars.h

@@ -665,8 +665,8 @@ extern struct explosion *g_Explosions;
 extern s32 g_MaxExplosions;
 extern struct smoke *g_Smokes;
 extern s32 g_MaxSmokes;
-extern u32 var800a3448;
-extern u32 var800a3488;
+extern Mtx var800a3448;
+extern Mtx var800a3488;
 extern struct spark g_Sparks[100];
 extern u32 g_NextSparkIndex;
 extern struct sparkgroup g_SparkGroups[];

src/include/lib/lib_50090.h

@@ -3,6 +3,4 @@
 #include <ultra64.h>
 #include "types.h"
 
-void func000500e4(u32 *ptr, f32 arg1, f32 arg2, f32 arg3);
-
 #endif