ETHARP_DEBUG: Enable debugging in etharp.c. NETIF_DEBUG: Enable debugging in netif.c. PBUF_DEBUG: Enable debugging in pbuf.c. API_LIB_DEBUG: Enable debugging in api_lib.c. API_MSG_DEBUG: Enable debugging in api_msg.c. SOCKETS_DEBUG: Enable debugging in sockets.c. ICMP_DEBUG: Enable debugging in icmp.c. IGMP_DEBUG: Enable debugging in igmp.c. INET_DEBUG: Enable debugging in inet.c. IP_DEBUG: Enable debugging for IP. IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. RAW_DEBUG: Enable debugging in raw.c. MEM_DEBUG: Enable debugging in mem.c. MEMP_DEBUG: Enable debugging in memp.c. SYS_DEBUG: Enable debugging in sys.c. TIMERS_DEBUG: Enable debugging in timers.c. TCP_DEBUG: Enable debugging for TCP. TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. TCP_RTO_DEBUG: Enable debugging in TCP for retransmit timeout. TCP_CWND_DEBUG: Enable debugging for TCP congestion window. TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. TCP_RST_DEBUG: Enable debugging for TCP with the RST message. TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. UDP_DEBUG: Enable debugging in UDP. TCPIP_DEBUG: Enable debugging in tcpip.c. SLIP_DEBUG: Enable debugging in slipif.c. DHCP_DEBUG: Enable debugging in dhcp.c. AUTOIP_DEBUG: Enable debugging in autoip.c. DNS_DEBUG: Enable debugging for DNS. IP6_DEBUG: Enable debugging for IPv6. DHCP6_DEBUG: Enable debugging in dhcp6.c.