Index: csound-6.18.1/Opcodes/OSC.c
===================================================================
--- csound-6.18.1.orig/Opcodes/OSC.c
+++ csound-6.18.1/Opcodes/OSC.c
@@ -548,7 +548,7 @@ static int32_t OSC_handler(const char *p
             case 'b':
               {
                 int32_t len =
-                  lo_blobsize((lo_blob*)argv[i]);
+                  lo_blobsize((lo_blob)argv[i]);
                 m->args[i].blob =
                   csound->Malloc(csound,len);
                 memcpy(m->args[i].blob, argv[i], len);
@@ -787,7 +787,7 @@ static int32_t OSC_list_init(CSOUND *cso
     csound->UnlockMutex(p->port->mutex_);
     p->c.method = lo_server_thread_add_method(p->port->thread,
                                               p->c.saved_path, p->c.saved_types,
-                                              OSC_handler, p->port);
+                                              (lo_method_handler)OSC_handler, p->port);
     csound->RegisterDeinitCallback(csound, p,
                                    (int32_t (*)(CSOUND *, void *)) OSC_listdeinit);
     return OK;
@@ -1067,7 +1067,7 @@ static int32_t OSC_alist_init(CSOUND *cs
     csound->UnlockMutex(p->port->mutex_);
     p->c.method = lo_server_thread_add_method(p->port->thread,
                                               p->c.saved_path, p->c.saved_types,
-                                              OSC_ahandler, p->port);
+                                              (lo_method_handler)OSC_ahandler, p->port);
     csound->RegisterDeinitCallback(csound, p,
                                    (int32_t (*)(CSOUND *, void *)) OSC_listadeinit);
     return OK;