In The hack_thread:
MSHookFunction((void *) getAbsoluteAddress("il2cpp.so", canUseSkinAddr), (void *) CanUseSkin,
(void **) &oldCanUseSkin);
MSHookFunction((void *) getAbsoluteAddress("il2cpp.so", bFreeLeaderAddr), (void *) BFreeLeaderSkin,
(void **)...