/* Input-reading functions for messages, so we can use special ones for
incoming TCP/IP. */
-extern int (*lwr_receive_getc)(void);
+extern int (*lwr_receive_getc)(unsigned);
extern int (*lwr_receive_ungetc)(int);
-extern int (*receive_getc)(void);
+extern int (*receive_getc)(unsigned);
extern void (*receive_get_cache)(void);
extern int (*receive_ungetc)(int);
extern int (*receive_feof)(void);