Mac SOUND_IsSoundEffectsInitialized: int __cdecl (void)
The Mac body has no argument reads; it returns MOVZX EAX, byte [initialized flag] with a plain RET. The caller D2WIN_ToggleMusicOptions 0x0004b9ea calls it bare. Matches the Windows twin 0x00515060 (int (void)).
Changes 1, applied together
Set prototype
mac 0x002e810esignatureundefined SOUND_IsSoundEffectsInitialized(void)→int SOUND_IsSoundEffectsInitialized(void)conventionunknown→__cdecl