sp;UnixLabels.inet_addr
&nbsp;&nbsp;val&nbsp;is_inet6_addr&nbsp;:&nbsp;UnixLabels.inet_addr&nbsp;-&gt;&nbsp;bool
&nbsp;&nbsp;type&nbsp;socket_domain&nbsp;=&nbsp;Unix.socket_domain&nbsp;=&nbsp;PF_UNIX&nbsp;|&nbsp;PF_INET&nbsp;|&nbsp;PF_INET6
&nbsp;&nbsp;type&nbsp;socket_type&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;Unix.socket_type&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SOCK_STREAM
&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;SOCK_DGRAM
&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;SOCK_RAW
&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;SOCK_SEQPACKET
&nbsp;