ipstr 101 samples/bpf/xdp_tx_iptunnel_user.c static int parse_ipstr(const char *ipstr, unsigned int *addr) ipstr 103 samples/bpf/xdp_tx_iptunnel_user.c if (inet_pton(AF_INET6, ipstr, addr) == 1) { ipstr 105 samples/bpf/xdp_tx_iptunnel_user.c } else if (inet_pton(AF_INET, ipstr, addr) == 1) { ipstr 110 samples/bpf/xdp_tx_iptunnel_user.c fprintf(stderr, "%s is an invalid IP\n", ipstr);