TCP/IP protocol detailed volume 2 7th domain and protocol

First mark an error, domain.h the book in the Netinet directory, but my this is under the Sys.

All domain forms linked lists, which are indicated by the global variable domains

struct domain {int dom_family; /* af_xxx */char *dom_name; void (*dom_init)//Initialize domain data structures */__p ((void)); Int (*dom_externalize)/* externalize access rights */__p ((struct mbuf *)); Int (*dom_dispose)/* Dispose of internalized rights */__p ((struct mbuf *)); struct PROTOSW *dom_protosw, *DOM_PROTOSWNPROTOSW; struct domain *dom_next; Int (*dom_rtattach)//Initialize routing table */__p ((void *, int));  int dom_rtoffset;  /* An ARG to Rtattach, in bits */int dom_maxrtkey; /* For routing layer */};

TCP/IP protocol detailed volume 2 7th domain and protocol