Christopher Baines schreef op vr 13-05-2022 om 12:51 [+0100]:
>  #ifdef IPPROTO_IP
>    scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP));
>  #endif
> +#ifdef IPPROTO_IPV6
> +  scm_c_define ("IPPROTO_IPV6", scm_from_int (IPPROTO_IPV6));
> +#endif
>  #ifdef IPPROTO_TCP
>    scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP));

While we're at it, maybe IPPROTO_MPTCP, IPPROTO_DCCP, IPPROTO_UDPLITE,
IPPROTO_SCTP and IPPROTO_ICMP can be defined as well, for people using
non-TCP, non-UDP protocols? 

Greetings,
Maxime.