Split game_16cfa0.c into lang.c and rename text symbols to lang

src/include/game/data/data_020df0.h

@@ -231,7 +231,7 @@ extern u32 var800840f0;
 extern u32 var800840f4;
 extern u32 var800840fc;
 extern u32 g_LanguageId;
-extern u16 g_LangBanks[];
+extern u16 g_LangFiles[];
 extern u32 var800841b8;
 extern u32 var80084220;
 extern struct something *somethings[];

src/include/game/game_16cfa0.h

@@ -40,13 +40,5 @@ u32 audioRestartAuxTrack(void);
 void audioPlayXTrack(u32 arg0, u32 arg1, u32 arg2);
 u32 audioStopTrack(u32 arg0);
 u32 func0f16e138(void);
-u32 textGetLangBankIndexFromStagenum(s32 stagenum);
-u32 func0f16e3fc(void);
-s32 textGetLanguageId(void);
-s32 textGetFileId(s32 bank);
-void textSetBankSimple(s32 bank);
-void textSetBank(s32 bank, s32 arg1, s32 arg2);
-void textClearBank(s32 bank);
-char *textGet(s32 textid);
 
 #endif

src/include/game/lang.h

@@ -0,0 +1,15 @@
+#ifndef IN_GAME_LANG_H
+#define IN_GAME_LANG_H
+#include <ultra64.h>
+#include "types.h"
+
+u32 langGetLangBankIndexFromStagenum(s32 stagenum);
+u32 func0f16e3fc(void);
+s32 langGetLanguageId(void);
+s32 langGetFileId(s32 bank);
+void langSetBankSimple(s32 bank);
+void langSetBank(s32 bank, s32 arg1, s32 arg2);
+void langClearBank(s32 bank);
+char *langGet(s32 textid);
+
+#endif

src/include/gvars/gvars.h

@@ -811,7 +811,7 @@ extern u32 var800aaa68;
 extern u32 var800aaa78;
 extern u32 var800aaa88;
 extern u32 var800aaa98;
-extern char *g_TextBanks[];
+extern char *g_LangBanks[];
 extern u32 var800aabb4;
 extern u32 var800aabb8;
 extern u32 var800aabc0;