/* We need NULL. */
-
-#if !defined(_STDDEF_H)
-# include <stddef.h>
-#endif
+#include <stddef.h>
/* Load the system-specific files here, if needed. */
#if defined(__C64__) && !defined(_C64_H)
void __fastcall__ cbm_k_talk (unsigned char dev);
void cbm_k_udtim (void);
void cbm_k_unlsn (void);
+void cbm_k_untlk (void);