Change func_80001EA8 to a different format. It is used in unknown_043920.c, and it almost definitely will not work with a struct

lib/src/unknown_0CE200.c

@@ -4,7 +4,7 @@
 #include "types.h"
 #include "macros.h"
 #include "libultra_internal.h"
-#include "memory.h"
+#include "../src/memory.h"
 
 s32 D_800E38D0 = 0;
 

src/audio.c

@@ -683,13 +683,21 @@ u16 func_80001CB8(u16 arg0) {
 
 GLOBAL_ASM("asm/non_matchings/audio/func_80001D04.s")
 
-void func_80001EA8(u16 arg0, unknown_struct_80001EA8 arg1, u32 *arg2) {
-    if(arg2 == NULL){
-        arg2 = &D_80115F84;
+void func_80001EA8(u16 arg0, s32 arg1, s32 arg2, s32 arg3, s32 *arg4) {
+    s32 temp;
+
+    //Possible "if (debug)"?
+    if (0) { }
+
+    if (arg4 == NULL) {
+        arg4 = &D_80115F84;
     }
-    func_80001D04(arg0, arg2);
-    if(*arg2){
-        func_80009B7C(*arg2, arg1.unk00, arg1.unk04, arg1.unk08);
+
+    func_80001D04(arg0, arg4);
+    
+    temp = *arg4;
+    if (temp) {
+        func_80009B7C((s32 *)temp, arg1, arg2, arg3);
     }
 }
 

src/audio.h

@@ -23,12 +23,6 @@ extern s32 D_800DC66C;
 extern u8 D_800DC670;
 extern u8 D_800DC65C;
 
-typedef struct unknown_struct_80001EA8_s{
-    u32    unk00;
-    u32     unk04;
-    u32     unk08;
-}unknown_struct_80001EA8;
-
 /* Size: 0x0A bytes */
 typedef struct unk80115D18 {
     u8 pad0[6];
@@ -112,7 +106,7 @@ void play_sound(u8 arg0);
 u32 func_80001C08(void);
 void func_80001C5C(u16 arg0);
 u16 func_80001CB8(u16 arg0);
-void func_80001EA8(u16 arg0, unknown_struct_80001EA8 arg1, u32 *arg2);
+void func_80001EA8(u16 arg0, s32 arg1, s32 arg2, s32 arg3, s32 *arg4);
 void func_80001F14(u16 sndIndx, u32 *arg1);
 u16 ALBankFile_80115D14_GetSoundCount(void);
 u8 ALSeqFile_80115CF8_GetSeqCount(void);

src/memory.c

@@ -40,7 +40,7 @@ s32 D_80123ED0[64];
 s32 D_80123FD0[8];
 s32 D_80123FF0[8];
 
-extern MemoryPoolSlot *gMainMemoryPool;
+extern MemoryPoolSlot gMainMemoryPool;
 
 /******************************/
 

src/unknown_043920.c

@@ -735,7 +735,7 @@ void play_char_horn_sound(Object *arg0, Object_64 *arg1) {
 GLOBAL_ASM("asm/non_matchings/unknown_043920/func_8005698C.s")
 GLOBAL_ASM("asm/non_matchings/unknown_043920/func_80056E2C.s")
 
-
+void func_80001EA8(u16 arg0, s32 arg1, s32 arg2, s32 arg3, s32 *arg4);
 void func_80057048(unk800570A4_2 *arg0, s32 arg1) {
     unk800570A4 *temp = arg0->unk64;
     u16 temp2 = arg1;