49 #define ESMRF_ICMP_CODE 0 50 #define ESMRF_IP_HOP_LIMIT 0xFF 55 #ifdef ESMRF_CONF_MIN_FWD_DELAY 56 #define ESMRF_MIN_FWD_DELAY ESMRF_CONF_MIN_FWD_DELAY 58 #define ESMRF_MIN_FWD_DELAY 4 62 #ifdef ESMRF_CONF_MAX_SPREAD 63 #define ESMRF_MAX_SPREAD ESMRF_CONF_MAX_SPREAD 65 #define ESMRF_MAX_SPREAD 4 static void icmp_in(void)