int icache;
#endif
-/* Descriptor for I/O to remote machine. Initialize it to -1 so that
+/* Descriptor for I/O to remote machine. Initialize it to NULL so that
remote_open knows that we don't have a file open when the program
starts. */
serial_t remote_desc = NULL;
char *dummy;
{
/* Ack any packet which the remote side has already sent. */
+ /* I'm not sure this \r is needed; we don't use it any other time we
+ send an ack. */
SERIAL_WRITE (remote_desc, "+\r", 2);
putpkt ("?"); /* initiate a query from remote machine */