void
ao_packet_putchar(char c) __reentrant;
-char
-ao_packet_pollchar(void) __critical;
+int
+_ao_packet_pollchar(void);
#if PACKET_HAS_MASTER
/* ao_packet_master.c */
-extern __xdata uint8_t ao_packet_last_rssi;
+extern __xdata int8_t ao_packet_last_rssi;
void
ao_packet_master_init(void);