diff --git a/data/dynos.c.h b/data/dynos.c.h
index 7bbb015ca..e63c1cd60 100644
--- a/data/dynos.c.h
+++ b/data/dynos.c.h
@@ -17,7 +17,7 @@ s32   dynos_tex_import(void **output, void *ptr, s32 tile, void *grapi, void **h
 void  dynos_gfx_swap_animations(void *ptr);
 
 // -- warps -- //
-LevelScript* dynos_get_level_script(char* scriptEntryName);
+LevelScript* dynos_get_level_script(const char* scriptEntryName);
 bool dynos_warp_to_warpnode(s32 aLevel, s32 aArea, s32 aAct, s32 aWarpId);
 bool dynos_warp_to_level(s32 aLevel, s32 aArea, s32 aAct);
 bool dynos_warp_restart_level(void);
diff --git a/data/dynos.cpp.h b/data/dynos.cpp.h
index af532bd4a..b07ea6b5b 100644
--- a/data/dynos.cpp.h
+++ b/data/dynos.cpp.h
@@ -937,7 +937,7 @@ void DynOS_Tex_ModShutdown();
 //
 
 Array<Pair<const char*, GfxData*>> &DynOS_Lvl_GetArray();
-LevelScript* DynOS_Lvl_GetScript(char* aScriptEntryName);
+LevelScript* DynOS_Lvl_GetScript(const char* aScriptEntryName);
 void  DynOS_Lvl_Activate(s32 modIndex, const SysPath &aFilePath, const char *aLevelName);
 GfxData* DynOS_Lvl_GetActiveGfx(void);
 const char* DynOS_Lvl_GetToken(u32 index);
diff --git a/data/dynos_c.cpp b/data/dynos_c.cpp
index c223b033a..3d3da3f2e 100644
--- a/data/dynos_c.cpp
+++ b/data/dynos_c.cpp
@@ -32,7 +32,7 @@ void dynos_gfx_swap_animations(void *ptr) {
 
 // -- warps -- //
 
-LevelScript* dynos_get_level_script(char* scriptEntryName) {
+LevelScript* dynos_get_level_script(const char* scriptEntryName) {
     return DynOS_Lvl_GetScript(scriptEntryName);
 }
 
diff --git a/data/dynos_mgr_lvl.cpp b/data/dynos_mgr_lvl.cpp
index 3345c6f1f..c9a111131 100644
--- a/data/dynos_mgr_lvl.cpp
+++ b/data/dynos_mgr_lvl.cpp
@@ -21,7 +21,7 @@ Array<Pair<const char*, GfxData*>> &DynOS_Lvl_GetArray() {
     return sDynosCustomLevelScripts;
 }
 
-LevelScript* DynOS_Lvl_GetScript(char* aScriptEntryName) {
+LevelScript* DynOS_Lvl_GetScript(const char* aScriptEntryName) {
     auto& _CustomLevelScripts = DynOS_Lvl_GetArray();
     for (s32 i = 0; i < _CustomLevelScripts.Count(); ++i) {
         auto& pair = _CustomLevelScripts[i];
diff --git a/docs/lua/functions-3.md b/docs/lua/functions-3.md
index df4f501f6..baba53301 100644
--- a/docs/lua/functions-3.md
+++ b/docs/lua/functions-3.md
@@ -8690,7 +8690,7 @@
 - `string`
 
 ### C Prototype
-`char* network_get_player_text_color_string(u8 localIndex);`
+`const char* network_get_player_text_color_string(u8 localIndex);`
 
 [:arrow_up_small:](#)
 
diff --git a/docs/lua/functions-4.md b/docs/lua/functions-4.md
index 989dc0264..467ced20c 100644
--- a/docs/lua/functions-4.md
+++ b/docs/lua/functions-4.md
@@ -7558,7 +7558,7 @@
 [CustomLevelInfo](structs.md#CustomLevelInfo)
 
 ### C Prototype
-`struct CustomLevelInfo* smlua_level_util_get_info_from_short_name(char* shortName);`
+`struct CustomLevelInfo* smlua_level_util_get_info_from_short_name(const char* shortName);`
 
 [:arrow_up_small:](#)
 
diff --git a/docs/lua/functions-5.md b/docs/lua/functions-5.md
index 7761d85b8..539b170a1 100644
--- a/docs/lua/functions-5.md
+++ b/docs/lua/functions-5.md
@@ -904,7 +904,7 @@
 - `string`
 
 ### C Prototype
-`char* get_os_name(void);`
+`const char* get_os_name(void);`
 
 [:arrow_up_small:](#)
 
@@ -2413,7 +2413,7 @@
 - `string`
 
 ### C Prototype
-`char* smlua_text_utils_get_language(void);`
+`const char* smlua_text_utils_get_language(void);`
 
 [:arrow_up_small:](#)
 
diff --git a/src/bass_audio/bass_audio_helpers.c b/src/bass_audio/bass_audio_helpers.c
index bcd16d4b6..76acb52af 100644
--- a/src/bass_audio/bass_audio_helpers.c
+++ b/src/bass_audio/bass_audio_helpers.c
@@ -4,7 +4,7 @@
 
 #include "bass_audio_helpers.h"
 
-HSTREAM bassh_create_fx_stream_from_file(char* data, QWORD length, QWORD offset) {
+HSTREAM bassh_create_fx_stream_from_file(const char* data, QWORD length, QWORD offset) {
     HSTREAM raw_stream = BASS_StreamCreateFile(TRUE, data, offset, length, BASS_STREAM_PRESCAN | BASS_STREAM_DECODE);
 
     HSTREAM stream = BASS_FX_TempoCreate(raw_stream, BASS_STREAM_PRESCAN);
@@ -12,7 +12,7 @@ HSTREAM bassh_create_fx_stream_from_file(char* data, QWORD length, QWORD offset)
     return stream;
 }
 
-HSAMPLE bassh_create_sample_from_file(char* data, QWORD length, QWORD offset) {
+HSAMPLE bassh_create_sample_from_file(const char* data, QWORD length, QWORD offset) {
     return BASS_SampleLoad(TRUE, data, offset, length, MAX_SAMPLE_CONCURRENT_PLAYBACKS, BASS_SAMPLE_OVER_POS);
 }
 
diff --git a/src/bass_audio/bass_audio_helpers.h b/src/bass_audio/bass_audio_helpers.h
index 9dee7a253..eb730e23b 100644
--- a/src/bass_audio/bass_audio_helpers.h
+++ b/src/bass_audio/bass_audio_helpers.h
@@ -2,8 +2,8 @@
 
 #define MAX_SAMPLE_CONCURRENT_PLAYBACKS 32
 
-HSTREAM bassh_create_fx_stream_from_file(char* data, QWORD length, QWORD offset);
-HSAMPLE bassh_create_sample_from_file(char* data, QWORD length, QWORD offset);
+HSTREAM bassh_create_fx_stream_from_file(const char* data, QWORD length, QWORD offset);
+HSAMPLE bassh_create_sample_from_file(const char* data, QWORD length, QWORD offset);
 
 HSTREAM bassh_sample_get_stream(HSAMPLE sample);
 void bassh_free_sample(HSAMPLE sample);
diff --git a/src/pc/crash_handler.c b/src/pc/crash_handler.c
index b7fc8ae6b..5e431c061 100644
--- a/src/pc/crash_handler.c
+++ b/src/pc/crash_handler.c
@@ -280,7 +280,7 @@ static void crash_handler_produce_one_frame() {
     gfx_end_frame();
 }
 
-static void crash_handler_add_info_str(CrashHandlerText** pTextP, f32 x, f32 y, char* title, char* value) {
+static void crash_handler_add_info_str(CrashHandlerText** pTextP, f32 x, f32 y, const char* title, const char* value) {
     CrashHandlerText* pText = *pTextP;
     crash_handler_set_text(x, y, 0xFF, 0xFF, 0x00, "%s", title);
     crash_handler_set_text(-1, y, 0xFF, 0xFF, 0xFF, "%s", ": ");
@@ -288,7 +288,7 @@ static void crash_handler_add_info_str(CrashHandlerText** pTextP, f32 x, f32 y,
     *pTextP = pText;
 }
 
-static void crash_handler_add_info_int(CrashHandlerText** pTextP, f32 x, f32 y, char* title, int value) {
+static void crash_handler_add_info_int(CrashHandlerText** pTextP, f32 x, f32 y, const char* title, int value) {
     CrashHandlerText* pText = *pTextP;
     crash_handler_set_text(x, y, 0xFF, 0xFF, 0x00, "%s", title);
     crash_handler_set_text(-1, y, 0xFF, 0xFF, 0xFF, "%s", ": ");
diff --git a/src/pc/discord/discord_activity.c b/src/pc/discord/discord_activity.c
index e25f9d89e..bcac8025f 100644
--- a/src/pc/discord/discord_activity.c
+++ b/src/pc/discord/discord_activity.c
@@ -67,7 +67,7 @@ static void strncat_len(char* destination, char* source, size_t destinationLengt
 
 static void discord_populate_details(char* buffer, int bufferLength) {
     // get version
-    char* version = get_version();
+    const char* version = get_version();
     int versionLength = strlen(version);
     snprintf(buffer, bufferLength, "%s", version);
     buffer += versionLength;
diff --git a/src/pc/djui/djui_chat_message.c b/src/pc/djui/djui_chat_message.c
index 90f411e75..f7b04a8da 100644
--- a/src/pc/djui/djui_chat_message.c
+++ b/src/pc/djui/djui_chat_message.c
@@ -58,7 +58,7 @@ void djui_chat_message_create_from(u8 globalIndex, const char* message) {
         return;
     }
 
-    char* playerColorString = network_get_player_text_color_string(np->localIndex);
+    const char* playerColorString = network_get_player_text_color_string(np->localIndex);
     char chatMsg[256] = { 0 };
     snprintf(chatMsg, 256, "%s%s:\\#dcdcdc\\ %s", playerColorString, (np != NULL) ? np->name : "Player", message);
 
diff --git a/src/pc/djui/djui_panel_main.c b/src/pc/djui/djui_panel_main.c
index fd84b1d3f..2fe18d7bb 100644
--- a/src/pc/djui/djui_panel_main.c
+++ b/src/pc/djui/djui_panel_main.c
@@ -34,7 +34,7 @@ void djui_panel_main_create(struct DjuiBase* caller) {
             djui_button_create(body, DLANG(MAIN, QUIT), DJUI_BUTTON_STYLE_BACK, djui_panel_main_quit);
         }
 
-        char* version = get_version_local();
+        const char* version = get_version_local();
         struct DjuiText* footer = djui_text_create(&panel->base, version);
         djui_base_set_size_type(&footer->base, DJUI_SVT_RELATIVE, DJUI_SVT_ABSOLUTE);
         djui_base_set_size(&footer->base, 1.0f, 1.0f);
diff --git a/src/pc/gfx/gfx_cc.c b/src/pc/gfx/gfx_cc.c
index a67ffec00..ea14c06cc 100644
--- a/src/pc/gfx/gfx_cc.c
+++ b/src/pc/gfx/gfx_cc.c
@@ -54,7 +54,7 @@ void gfx_cc_get_features(struct ColorCombiner* cc, struct CCFeatures* ccf) {
     }
 }
 
-void gfx_cc_print(struct ColorCombiner *cc) {
+void gfx_cc_print(UNUSED struct ColorCombiner *cc) {
     if (!sAllowCCPrint) { return; }
     // disabled for now
     return;
diff --git a/src/pc/lua/smlua.c b/src/pc/lua/smlua.c
index 9181bd489..67f528680 100644
--- a/src/pc/lua/smlua.c
+++ b/src/pc/lua/smlua.c
@@ -47,7 +47,7 @@ int smlua_pcall(lua_State* L, int nargs, int nresults, UNUSED int errfunc) {
     return rc;
 }
 
-void smlua_exec_file(char* path) {
+void smlua_exec_file(const char* path) {
     lua_State* L = gLuaState;
     if (luaL_dofile(L, path) != LUA_OK) {
         LOG_LUA("Failed to load lua file '%s'.", path);
@@ -56,7 +56,7 @@ void smlua_exec_file(char* path) {
     lua_pop(L, lua_gettop(L));
 }
 
-void smlua_exec_str(char* str) {
+void smlua_exec_str(const char* str) {
     lua_State* L = gLuaState;
     if (luaL_dostring(L, str) != LUA_OK) {
         LOG_LUA("Failed to load lua string.");
diff --git a/src/pc/lua/smlua.h b/src/pc/lua/smlua.h
index 1293c2332..a4d81447c 100644
--- a/src/pc/lua/smlua.h
+++ b/src/pc/lua/smlua.h
@@ -41,8 +41,8 @@ extern struct Mod* gLuaLastHookMod;
 void smlua_mod_error(void);
 int smlua_error_handler(UNUSED lua_State* L);
 int smlua_pcall(lua_State* L, int nargs, int nresults, int errfunc);
-void smlua_exec_file(char* path);
-void smlua_exec_str(char* str);
+void smlua_exec_file(const char* path);
+void smlua_exec_str(const char* str);
 
 void smlua_init(void);
 void smlua_update(void);
diff --git a/src/pc/lua/smlua_cobject.c b/src/pc/lua/smlua_cobject.c
index f7086d692..0a59a4c04 100644
--- a/src/pc/lua/smlua_cobject.c
+++ b/src/pc/lua/smlua_cobject.c
@@ -643,7 +643,7 @@ void smlua_cobject_init_globals(void) {
     }
 }
 
-void smlua_cobject_init_per_file_globals(char* path) {
+void smlua_cobject_init_per_file_globals(const char* path) {
     lua_State* L = gLuaState;
 
     lua_getfield(L, LUA_REGISTRYINDEX, path); // push per-file globals
diff --git a/src/pc/lua/smlua_cobject.h b/src/pc/lua/smlua_cobject.h
index 865cf3fce..f0a3381c5 100644
--- a/src/pc/lua/smlua_cobject.h
+++ b/src/pc/lua/smlua_cobject.h
@@ -71,7 +71,7 @@ struct LuaObjectField* smlua_get_object_field_from_ot(struct LuaObjectTable* ot,
 struct LuaObjectField* smlua_get_object_field(u16 lot, const char* key);
 struct LuaObjectField* smlua_get_custom_field(lua_State* L, u32 lot, int keyIndex);
 void smlua_cobject_init_globals(void);
-void smlua_cobject_init_per_file_globals(char* path);
+void smlua_cobject_init_per_file_globals(const char* path);
 void smlua_bind_cobject(void);
 
 #endif
\ No newline at end of file
diff --git a/src/pc/lua/smlua_functions_autogen.c b/src/pc/lua/smlua_functions_autogen.c
index e75b7ab37..a97eaa5f1 100644
--- a/src/pc/lua/smlua_functions_autogen.c
+++ b/src/pc/lua/smlua_functions_autogen.c
@@ -27451,7 +27451,7 @@ int smlua_func_smlua_level_util_get_info_from_short_name(lua_State* L) {
         return 0;
     }
 
-    char* shortName = (char*)smlua_to_cobject(L, 1, LOT_NONE);
+    const char* shortName = smlua_to_string(L, 1);
     if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "smlua_level_util_get_info_from_short_name"); return 0; }
 
     smlua_push_object(L, LOT_CUSTOMLEVELINFO, smlua_level_util_get_info_from_short_name(shortName));
diff --git a/src/pc/lua/smlua_sync_table.c b/src/pc/lua/smlua_sync_table.c
index c01a4dcdf..07f29a5e3 100644
--- a/src/pc/lua/smlua_sync_table.c
+++ b/src/pc/lua/smlua_sync_table.c
@@ -429,7 +429,7 @@ void smlua_set_sync_table_field_from_network(u64 seq, u16 modRemoteIndex, u16 ln
     LUA_STACK_CHECK_END();
 }
 
-void smlua_sync_table_init_globals(char* path, u16 modRemoteIndex) {
+void smlua_sync_table_init_globals(const char* path, u16 modRemoteIndex) {
     LUA_STACK_CHECK_BEGIN();
     lua_State* L = gLuaState;
 
diff --git a/src/pc/lua/smlua_sync_table.h b/src/pc/lua/smlua_sync_table.h
index b6fdaaa17..49a1c8751 100644
--- a/src/pc/lua/smlua_sync_table.h
+++ b/src/pc/lua/smlua_sync_table.h
@@ -11,7 +11,7 @@ enum LuaSyncTableType {
 
 struct LSTNetworkType;
 void smlua_set_sync_table_field_from_network(u64 seq, u16 modRemoteIndex, u16 lntKeyCount, struct LSTNetworkType* lntKeys, struct LSTNetworkType* lntValue);
-void smlua_sync_table_init_globals(char* path, u16 remoteIndex);
+void smlua_sync_table_init_globals(const char* path, u16 remoteIndex);
 void smlua_bind_sync_table(void);
 void smlua_sync_table_send_all(u8 toLocalIndex);
 
diff --git a/src/pc/lua/smlua_utils.c b/src/pc/lua/smlua_utils.c
index 3c4b26d6b..f4bf9cd38 100644
--- a/src/pc/lua/smlua_utils.c
+++ b/src/pc/lua/smlua_utils.c
@@ -447,27 +447,27 @@ void smlua_push_pointer(lua_State* L, u16 lvt, void* p) {
     }
 }
 
-void smlua_push_integer_field(int index, char* name, lua_Integer val) {
+void smlua_push_integer_field(int index, const char* name, lua_Integer val) {
     lua_pushinteger(gLuaState, val);
     lua_setfield(gLuaState, index, name);
 }
 
-void smlua_push_number_field(int index, char* name, lua_Number val) {
+void smlua_push_number_field(int index, const char* name, lua_Number val) {
     lua_pushnumber(gLuaState, val);
     lua_setfield(gLuaState, index, name);
 }
 
-void smlua_push_string_field(int index, char* name, const char* val) {
+void smlua_push_string_field(int index, const char* name, const char* val) {
     lua_pushstring(gLuaState, val);
     lua_setfield(gLuaState, index, name);
 }
 
-void smlua_push_nil_field(int index, char* name) {
+void smlua_push_nil_field(int index, const char* name) {
     lua_pushnil(gLuaState);
     lua_setfield(gLuaState, index, name);
 }
 
-void smlua_push_table_field(int index, char* name) {
+void smlua_push_table_field(int index, const char* name) {
     lua_newtable(gLuaState);
     lua_setfield(gLuaState, index, name);
 }
@@ -498,7 +498,7 @@ void smlua_push_lnt(struct LSTNetworkType* lnt) {
 
 ///////////////////////////////////////////////////////////////////////////////////////////
 
-lua_Integer smlua_get_integer_field(int index, char* name) {
+lua_Integer smlua_get_integer_field(int index, const char* name) {
     if (lua_type(gLuaState, index) != LUA_TTABLE) {
         LOG_LUA_LINE("smlua_get_integer_field received improper type '%d'", lua_type(gLuaState, index));
         gSmLuaConvertSuccess = false;
@@ -510,7 +510,7 @@ lua_Integer smlua_get_integer_field(int index, char* name) {
     return val;
 }
 
-lua_Number smlua_get_number_field(int index, char* name) {
+lua_Number smlua_get_number_field(int index, const char* name) {
     if (lua_type(gLuaState, index) != LUA_TTABLE) {
         LOG_LUA_LINE("smlua_get_number_field received improper type '%d'", lua_type(gLuaState, index));
         gSmLuaConvertSuccess = false;
@@ -522,7 +522,7 @@ lua_Number smlua_get_number_field(int index, char* name) {
     return val;
 }
 
-LuaFunction smlua_get_function_field(int index, char *name) {
+LuaFunction smlua_get_function_field(int index, const char *name) {
     if (lua_type(gLuaState, index) != LUA_TTABLE) {
         LOG_LUA_LINE("smlua_get_function_field received improper type '%d'", lua_type(gLuaState, index));
         gSmLuaConvertSuccess = false;
@@ -645,7 +645,7 @@ LuaFunction smlua_get_any_function_mod_variable(const char *variable) {
 
 ///////////////////////////////////////////////////////////////////////////////////////////
 
-char* smlua_lnt_to_str(struct LSTNetworkType* lnt) {
+const char* smlua_lnt_to_str(struct LSTNetworkType* lnt) {
     static char sLntStr[32] = "";
     switch (lnt->type) {
         case LST_NETWORK_TYPE_INTEGER:
diff --git a/src/pc/lua/smlua_utils.h b/src/pc/lua/smlua_utils.h
index 105d456dc..e8cfefee5 100644
--- a/src/pc/lua/smlua_utils.h
+++ b/src/pc/lua/smlua_utils.h
@@ -30,19 +30,19 @@ bool packet_read_lnt(struct Packet* p, struct LSTNetworkType* lnt);
 
 void smlua_push_object(lua_State* L, u16 lot, void* p);
 void smlua_push_pointer(lua_State* L, u16 lvt, void* p);
-void smlua_push_integer_field(int index, char* name, lua_Integer val);
-void smlua_push_number_field(int index, char* name, lua_Number val);
-void smlua_push_string_field(int index, char* name, const char* val);
-void smlua_push_nil_field(int index, char* name);
-void smlua_push_table_field(int index, char* name);
+void smlua_push_integer_field(int index, const char* name, lua_Integer val);
+void smlua_push_number_field(int index, const char* name, lua_Number val);
+void smlua_push_string_field(int index, const char* name, const char* val);
+void smlua_push_nil_field(int index, const char* name);
+void smlua_push_table_field(int index, const char* name);
 
 void smlua_push_lnt(struct LSTNetworkType* lnt);
 
-lua_Integer smlua_get_integer_field(int index, char* name);
-lua_Number smlua_get_number_field(int index, char* name);
-LuaFunction smlua_get_function_field(int index, char *name);
+lua_Integer smlua_get_integer_field(int index, const char* name);
+lua_Number smlua_get_number_field(int index, const char* name);
+LuaFunction smlua_get_function_field(int index, const char *name);
 
-char* smlua_lnt_to_str(struct LSTNetworkType* lnt);
+const char* smlua_lnt_to_str(struct LSTNetworkType* lnt);
 
 s64 smlua_get_integer_mod_variable(u16 modIndex, const char* variable);
 s64 smlua_get_any_integer_mod_variable(const char* variable);
diff --git a/src/pc/lua/utils/smlua_level_utils.c b/src/pc/lua/utils/smlua_level_utils.c
index 11988e342..4d1771c4c 100644
--- a/src/pc/lua/utils/smlua_level_utils.c
+++ b/src/pc/lua/utils/smlua_level_utils.c
@@ -42,7 +42,7 @@ struct CustomLevelInfo* smlua_level_util_get_info(s16 levelNum) {
     return NULL;
 }
 
-struct CustomLevelInfo* smlua_level_util_get_info_from_short_name(char* shortName) {
+struct CustomLevelInfo* smlua_level_util_get_info_from_short_name(const char* shortName) {
     struct CustomLevelInfo* node = sCustomLevelHead;
     while (node != NULL) {
         if (!strcmp(node->shortName, shortName)) {
diff --git a/src/pc/lua/utils/smlua_level_utils.h b/src/pc/lua/utils/smlua_level_utils.h
index 31ce7f6ad..e7a24fa19 100644
--- a/src/pc/lua/utils/smlua_level_utils.h
+++ b/src/pc/lua/utils/smlua_level_utils.h
@@ -20,7 +20,7 @@ struct CustomLevelInfo {
 
 void smlua_level_util_reset(void);
 struct CustomLevelInfo* smlua_level_util_get_info(s16 levelNum);
-struct CustomLevelInfo* smlua_level_util_get_info_from_short_name(char* shortName);
+struct CustomLevelInfo* smlua_level_util_get_info_from_short_name(const char* shortName);
 s16 level_register(const char* scriptEntryName, s16 courseNum, const char* fullName, const char* shortName, u32 acousticReach, u32 echoLevel1, u32 echoLevel2, u32 echoLevel3);
 bool level_is_vanilla_level(s16 levelNum);
 bool warp_to_warpnode(s32 aLevel, s32 aArea, s32 aAct, s32 aWarpId);
diff --git a/src/pc/lua/utils/smlua_misc_utils.c b/src/pc/lua/utils/smlua_misc_utils.c
index de40e3f90..770d2a969 100644
--- a/src/pc/lua/utils/smlua_misc_utils.c
+++ b/src/pc/lua/utils/smlua_misc_utils.c
@@ -594,7 +594,7 @@ void set_override_envfx(s32 envfx) {
 
 ///
 
-char* get_os_name(void) {
+const char* get_os_name(void) {
 #if defined(_WIN32) || defined(_WIN64)
     return "Windows";
 #elif __APPLE__ || __MACH__
diff --git a/src/pc/lua/utils/smlua_misc_utils.h b/src/pc/lua/utils/smlua_misc_utils.h
index eb3f82912..9d475d42b 100644
--- a/src/pc/lua/utils/smlua_misc_utils.h
+++ b/src/pc/lua/utils/smlua_misc_utils.h
@@ -128,6 +128,6 @@ u32 get_time(void);
 u16 get_envfx(void);
 void set_override_envfx(s32 envfx);
 
-char* get_os_name(void);
+const char* get_os_name(void);
 
 #endif
diff --git a/src/pc/lua/utils/smlua_text_utils.c b/src/pc/lua/utils/smlua_text_utils.c
index 03868025a..b8f8407ca 100644
--- a/src/pc/lua/utils/smlua_text_utils.c
+++ b/src/pc/lua/utils/smlua_text_utils.c
@@ -261,6 +261,6 @@ void smlua_text_utils_extra_text_replace(s16 index, const char* text) {
     sReplacedActName[index] = true;
 }
 
-char* smlua_text_utils_get_language(void) {
+const char* smlua_text_utils_get_language(void) {
     return configLanguage;
 }
\ No newline at end of file
diff --git a/src/pc/lua/utils/smlua_text_utils.h b/src/pc/lua/utils/smlua_text_utils.h
index 08f7beb7e..52d9d6928 100644
--- a/src/pc/lua/utils/smlua_text_utils.h
+++ b/src/pc/lua/utils/smlua_text_utils.h
@@ -10,6 +10,6 @@ void smlua_text_utils_course_acts_replace(s16 courseNum, const char* courseName,
 void smlua_text_utils_secret_star_replace(s16 courseNum, const char* courseName);
 void smlua_text_utils_castle_secret_stars_replace(const char* name);
 void smlua_text_utils_extra_text_replace(s16 index, const char* text);
-char* smlua_text_utils_get_language(void);
+const char* smlua_text_utils_get_language(void);
 
 #endif
diff --git a/src/pc/network/coopnet/coopnet.c b/src/pc/network/coopnet/coopnet.c
index 3daafb0cf..fe7ef865c 100644
--- a/src/pc/network/coopnet/coopnet.c
+++ b/src/pc/network/coopnet/coopnet.c
@@ -172,7 +172,7 @@ static void coopnet_populate_description(void) {
     char* buffer = sCoopNetDescription;
     int bufferLength = 256;
     // get version
-    char* version = get_version();
+    const char* version = get_version();
     int versionLength = strlen(version);
     snprintf(buffer, bufferLength, "%s", version);
     buffer += versionLength;
diff --git a/src/pc/network/network_player.c b/src/pc/network/network_player.c
index db74aa9ae..760a00619 100644
--- a/src/pc/network/network_player.c
+++ b/src/pc/network/network_player.c
@@ -216,7 +216,7 @@ void network_player_update(void) {
 }
 
 extern bool gCurrentlyJoining;
-u8 network_player_connected(enum NetworkPlayerType type, u8 globalIndex, u8 modelIndex, const struct PlayerPalette* palette, char *name) {
+u8 network_player_connected(enum NetworkPlayerType type, u8 globalIndex, u8 modelIndex, const struct PlayerPalette* palette, const char *name) {
     // translate globalIndex to localIndex
     u8 localIndex = globalIndex;
     if (gNetworkType == NT_SERVER) {
diff --git a/src/pc/network/network_player.h b/src/pc/network/network_player.h
index 111a8ed5f..92589f1ce 100644
--- a/src/pc/network/network_player.h
+++ b/src/pc/network/network_player.h
@@ -82,7 +82,7 @@ void network_player_palette_to_color(struct NetworkPlayer *np, enum PlayerParts
 
 void network_player_update(void);
 
-u8 network_player_connected(enum NetworkPlayerType type, u8 globalIndex, u8 modelIndex, const struct PlayerPalette* playerPalette, char* name);
+u8 network_player_connected(enum NetworkPlayerType type, u8 globalIndex, u8 modelIndex, const struct PlayerPalette* playerPalette, const char* name);
 u8 network_player_disconnected(u8 globalIndex);
 void construct_player_popup(struct NetworkPlayer* np, char* msg, const char* level);
 
diff --git a/src/pc/network/network_utils.c b/src/pc/network/network_utils.c
index 18b6b1ff5..a1e0dcda6 100644
--- a/src/pc/network/network_utils.c
+++ b/src/pc/network/network_utils.c
@@ -43,7 +43,7 @@ u8* network_get_player_text_color(u8 localIndex) {
     return sTextRgb;
 }
 
-char* network_get_player_text_color_string(u8 localIndex) {
+const char* network_get_player_text_color_string(u8 localIndex) {
     if (localIndex >= MAX_PLAYERS) { localIndex = 0; }
     u8* rgb = network_get_player_text_color(localIndex);
     static char sColorString[10] = { 0 };
diff --git a/src/pc/network/network_utils.h b/src/pc/network/network_utils.h
index de7de04de..767308490 100644
--- a/src/pc/network/network_utils.h
+++ b/src/pc/network/network_utils.h
@@ -11,6 +11,6 @@ bool network_is_server(void);
 bool network_is_moderator(void);
 
 u8* network_get_player_text_color(u8 localIndex);
-char* network_get_player_text_color_string(u8 localIndex);
+const char* network_get_player_text_color_string(u8 localIndex);
 
 #endif
\ No newline at end of file
diff --git a/src/pc/network/version.c b/src/pc/network/version.c
index 9b683b95a..627649091 100644
--- a/src/pc/network/version.c
+++ b/src/pc/network/version.c
@@ -5,7 +5,7 @@
 static char sVersionString[MAX_VERSION_LENGTH] = { 0 };
 static char sLocalVersionString[MAX_LOCAL_VERSION_LENGTH] = { 0 };
 
-char* get_version(void) {
+const char* get_version(void) {
 #if defined(VERSION_US)
     if (MINOR_VERSION_NUMBER > 0) {
         snprintf(sVersionString, MAX_VERSION_LENGTH, "%s %d.%d", VERSION_TEXT, VERSION_NUMBER, MINOR_VERSION_NUMBER);
@@ -22,7 +22,7 @@ char* get_version(void) {
     return sVersionString;
 }
 
-char* get_version_local(void) {
+const char* get_version_local(void) {
     if (PATCH_VERSION_NUMBER <= 0) {
         return get_version();
     }
@@ -36,7 +36,7 @@ char* get_version_local(void) {
     return sLocalVersionString;
 }
 
-char* get_game_name(void) {
+const char* get_game_name(void) {
 #ifdef DEVELOPMENT
     return "sm64ex-coop-dev";
 #elif !defined(VERSION_US)
diff --git a/src/pc/network/version.h b/src/pc/network/version.h
index 5e908ca3f..651b1e140 100644
--- a/src/pc/network/version.h
+++ b/src/pc/network/version.h
@@ -18,8 +18,8 @@
 
 #define MAX_VERSION_LENGTH 32
 #define MAX_LOCAL_VERSION_LENGTH 36
-char* get_version(void);
-char* get_version_local(void);
-char* get_game_name(void);
+const char* get_version(void);
+const char* get_version_local(void);
+const char* get_game_name(void);
 
 #endif
diff --git a/src/pc/os/os_win.c b/src/pc/os/os_win.c
index cd7556300..37f65cdbe 100644
--- a/src/pc/os/os_win.c
+++ b/src/pc/os/os_win.c
@@ -5,13 +5,13 @@
 #include "os_win.h"
 #include "pc/platform.h"
 
-OS_DIR* os_opendir(char* path) {
+OS_DIR* os_opendir(const char* path) {
     wchar_t wpath[SYS_MAX_PATH] = { 0 };
     MultiByteToWideChar(CP_UTF8, 0, path, -1, wpath, SYS_MAX_PATH);
     return _wopendir(wpath);
 }
 
-char* os_get_dir_name(os_dirent* dir) {
+const char* os_get_dir_name(os_dirent* dir) {
     static char path[SYS_MAX_PATH] = { 0 };
     snprintf(path, SYS_MAX_PATH, "%ls", dir->d_name);
     return path;
diff --git a/src/pc/os/os_win.h b/src/pc/os/os_win.h
index c3254b82b..a09558d76 100644
--- a/src/pc/os/os_win.h
+++ b/src/pc/os/os_win.h
@@ -9,5 +9,5 @@
 #define os_closedir(_x) _wclosedir(_x)
 #define os_readdir(_x) _wreaddir(_x)
 
-OS_DIR* os_opendir(char* path);
-char* os_get_dir_name(os_dirent* dir);
+OS_DIR* os_opendir(const char* path);
+const char* os_get_dir_name(os_dirent* dir);
diff --git a/src/pc/pc_main.c b/src/pc/pc_main.c
index 9cc9c0f73..da57d2277 100644
--- a/src/pc/pc_main.c
+++ b/src/pc/pc_main.c
@@ -349,7 +349,7 @@ void main_func(void) {
     #error No rendering API!
     #endif
 
-    char* version = get_version_local();
+    const char* version = get_version_local();
     char window_title[96] = { 0 };
 #ifdef GIT_HASH
     snprintf(window_title, 96, "sm64ex-coop: %s [%s]", version, GIT_HASH);
diff --git a/src/pc/utils/string_linked_list.c b/src/pc/utils/string_linked_list.c
index b81dcf590..4f11f81c0 100644
--- a/src/pc/utils/string_linked_list.c
+++ b/src/pc/utils/string_linked_list.c
@@ -3,7 +3,7 @@
 #include <stdbool.h>
 #include "string_linked_list.h"
 
-void string_linked_list_append(struct StringLinkedList* node, char* string) {
+void string_linked_list_append(struct StringLinkedList* node, const char* string) {
     int length = strlen(string);
     while (1) {
         if (node->string == NULL) {
@@ -20,7 +20,7 @@ void string_linked_list_append(struct StringLinkedList* node, char* string) {
     }
 }
 
-bool string_linked_list_contains(struct StringLinkedList* node, char* string) {
+bool string_linked_list_contains(struct StringLinkedList* node, const char* string) {
     if (string == NULL) {
         return false;
     }
diff --git a/src/pc/utils/string_linked_list.h b/src/pc/utils/string_linked_list.h
index 30f3f4869..b72ca1376 100644
--- a/src/pc/utils/string_linked_list.h
+++ b/src/pc/utils/string_linked_list.h
@@ -6,8 +6,8 @@ struct StringLinkedList {
     struct StringLinkedList* next;
 };
 
-void string_linked_list_append(struct StringLinkedList* node, char* string);
-bool string_linked_list_contains(struct StringLinkedList* node, char* string);
+void string_linked_list_append(struct StringLinkedList* node, const char* string);
+bool string_linked_list_contains(struct StringLinkedList* node, const char* string);
 bool string_linked_list_mismatch(struct StringLinkedList* a, struct StringLinkedList* b);
 int string_linked_list_count(struct StringLinkedList* node);
 void string_linked_list_free(struct StringLinkedList* node);