--- Gnu-Mach/device/cirbuf.h	2020/09/02 04:36:57	1.1
+++ Gnu-Mach/device/cirbuf.h	2020/09/02 04:47:50	1.1.1.2
@@ -52,11 +52,10 @@ extern int	putc(int, struct cirbuf *);
 extern int	getc(struct cirbuf *);
 extern int	q_to_b(struct cirbuf *, char *, int);
 extern int	b_to_q(char *, int, struct cirbuf *);
-extern int	nqdb(struct cirbuf *, int);
 extern void	ndflush(struct cirbuf *, int);
 extern void	cb_clear(struct cirbuf *);
 
-extern void	cb_alloc(struct cirbuf *, int);
+extern void	cb_alloc(struct cirbuf *, vm_size_t);
 extern void	cb_free(struct cirbuf *);
 
 #endif	/* _DEVICE_CIRBUF_H_ */