43     } ip{.v6 = IN6ADDR_ANY_INIT};  // written and read in network-byte order
58                 const in_addr v4a = a.ip.v4;
59                 const in_addr v4b = b.ip.v4;
63                 const in6_addr v6a = a.ip.v6;
64                 const in6_addr v6b = b.ip.v6;
81                 const in_addr v4a = a.ip.v4;
82                 const in_addr v4b = b.ip.v4;
87                 const in6_addr v6a = a.ip.v6;
88                 const in6_addr v6b = b.ip.v6;
126     static bool forString(const std::string& repr, IPAddress* ip);
128         IPAddress ip;  in forString()  local
129         if (!forString(repr, &ip)) return IPAddress();  in forString()
130         return ip;  in forString()
148     IPAddress(const IPAddress& ip, uint32_t scope_id) : IPAddress(ip) {  in IPAddress()  argument
149         mData.scope_id = (family() == AF_INET6 && usesScopedIds(mData.ip.v6)) ? scope_id : 0U;  in IPAddress()
160     friend std::ostream& operator<<(std::ostream& os, const IPAddress& ip) {
161         os << ip.toString();
184                 if (usesScopedIds(ipdata.ip.v6)) mData.scope_id = ipdata.scope_id;  in IPAddress()
209     explicit IPPrefix(const IPAddress& ip) : mData(ip.mData) {}  in IPPrefix()  argument
214     IPPrefix(const IPAddress& ip, int length);
220     IPAddress ip() const noexcept { return IPAddress(mData); }  in ip()  function
221     in_addr addr4() const noexcept { return mData.ip.v4; }  in addr4()
222     in6_addr addr6() const noexcept { return mData.ip.v6; }  in addr6()
271     explicit IPSockAddr(const IPAddress& ip) : mData(ip.mData) {}  in IPSockAddr()  argument
272     IPSockAddr(const IPAddress& ip, in_port_t port) : mData(ip.mData) { mData.port = port; }  in IPSockAddr()  argument
282     IPAddress ip() const noexcept { return IPAddress(mData); }  in ip()  function
291                 reinterpret_cast<sockaddr_in*>(&ss)->sin_addr = mData.ip.v4;  in sockaddr_storage()
295                 reinterpret_cast<sockaddr_in6*>(&ss)->sin6_addr = mData.ip.v6;  in sockaddr_storage()