Symbol: ECHO_REPLY
sys/net/if_spppsubr.c
1358
sppp_cp_send (sp, PPP_LCP, ECHO_REPLY, h->ident, len-4, h+1);
sys/net/if_spppsubr.c
1360
case ECHO_REPLY:
sys/net/if_spppsubr.c
4781
case ECHO_REPLY: return "echo-reply";