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Re: lib/54527: syslogd hangs when forwarding logs to a IPv6 host that is down

The following reply was made to PR lib/54527; it has been noted by GNATS.

From: Christos Zoulas <christos%zoulas.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: lib-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 anthony.mallet%useless-ficus.net@localhost
Subject: Re: lib/54527: syslogd hangs when forwarding logs to a IPv6 host that
 is down
Date: Sat, 14 Sep 2019 09:55:26 -0400

 --Apple-Mail=_70E39BE3-8289-4A32-8D7B-CFC363B47D63
 Content-Transfer-Encoding: quoted-printable
 Content-Type: text/plain;
 	charset=us-ascii
 
 Congratulations, you found a kernel bug. MSG_PEEK is not supposed to =
 reset so->so_{r,}error.
 Try this (not even compile-tested).
 
 christos
 
 diff -u -u -r1.281 uipc_socket.c
 --- uipc_socket.c       16 Jul 2019 22:57:55 -0000      1.281
 +++ uipc_socket.c       14 Sep 2019 13:52:57 -0000
 @@ -928,7 +928,8 @@
                 }
                 if (so->so_error) {
                         error =3D so->so_error;
 -                       so->so_error =3D 0;
 +                       if ((flags & MSG_PEEK) =3D=3D 0)
 +                               so->so_error =3D 0;
                         goto release;
                 }
                 if ((so->so_state & SS_ISCONNECTED) =3D=3D 0) {
 @@ -1227,13 +1228,10 @@
                 if (so->so_error || so->so_rerror) {
                         if (m !=3D NULL)
                                 goto dontblock;
 -                       if (so->so_error) {
 -                               error =3D so->so_error;
 -                               so->so_error =3D 0;
 -                       } else {
 -                               error =3D so->so_rerror;
 -                               so->so_rerror =3D 0;
 -                       }
 +                       int *e =3D so->so_error ? &so->so_error : =
 &so->so_rerror;
 +                       error =3D *e;
 +                       if ((flags & MSG_PEEK) =3D=3D 0)
 +                               *e =3D 0;
                         goto release;
                 }
                 if (so->so_state & SS_CANTRCVMORE) {
 
 
 > On Sep 14, 2019, at 9:40 AM, Anthony Mallet =
 <anthony.mallet%useless-ficus.net@localhost> wrote:
 >=20
 > #include <sys/socket.h>
 > #include <netinet/in.h>
 >=20
 > #include <err.h>
 > #include <event.h>
 > #include <netdb.h>
 > #include <poll.h>
 >=20
 > int
 > main()
 > {
 >   struct addrinfo hints =3D { 0 }, *res, *r;
 >   struct sockaddr_storage frominet;
 >   struct pollfd fds;
 >   socklen_t len;
 >   char buf[16];
 >   ssize_t s;
 >   int error;
 >   int fd;
 >=20
 >   /* setup sending socket */
 >   hints.ai_flags =3D AI_PASSIVE;
 >   hints.ai_family =3D AF_INET6;
 >   hints.ai_socktype =3D SOCK_DGRAM;
 >   error =3D getaddrinfo(NULL, "12345", &hints, &res);
 >   if (error) err(2, "getaddrinfo bind");
 >=20
 >   for (r =3D res; r; r =3D r->ai_next) {
 >     fd =3D socket(r->ai_family, r->ai_socktype, r->ai_protocol);
 >     if (fd < 0) err(2, "socket");
 >=20
 >     if (bind(fd, r->ai_addr, r->ai_addrlen) < 0)
 >       err(2, "bind");
 >=20
 >     break;
 >   }
 >   freeaddrinfo(res);
 >=20
 >   /* non-existent host */
 >   hints.ai_flags =3D AI_NUMERICHOST;
 >   hints.ai_family =3D AF_INET6;
 >   hints.ai_socktype =3D SOCK_DGRAM;
 >   error =3D getaddrinfo("fc00::", "12345", &hints, &res);
 >   if (error) err(2, "getaddrinfo sendto");
 >=20
 >   /* send empty datagram */
 >   for (r =3D res; r; r =3D r->ai_next) {
 >     s =3D sendto(fd, "", 1, 0, r->ai_addr, r->ai_addrlen);
 >     if (s =3D=3D -1)
 >       err(2, "sendto");
 >     warnx("sent %zd bytes", s);
 >     break;
 >   }
 >   freeaddrinfo(res);
 >=20
 >   /* wait for events: sock will be readable and return EHOSTDOWN */
 >   while (1) {
 >     fds.fd =3D fd;
 >     fds.events =3D POLLIN;
 >     if (poll(&fds, 1, -1) =3D=3D 1) {
 >       warnx("events %d %d", fds.events, fds.revents);
 >=20
 >       /* do the equivalent of a libwarp "hostfrom" */
 >       len =3D sizeof(frominet);
 >       if (recvfrom(fd, buf, sizeof(buf), MSG_PEEK,
 >                    (struct sockaddr *)&frominet, &len) < 0) {
 >         warn("can't get client address");
 >       }
 >=20
 >       /* this blocks because the EHOSTDOWN was eaten above */
 >       s =3D recv(fd, buf, sizeof(buf), 0);
 >       warn("recv %zd", s);
 >     }
 >=20
 >     warnx("not reached :/");
 >   }
 >=20
 >   return 0;
 > }
 
 
 --Apple-Mail=_70E39BE3-8289-4A32-8D7B-CFC363B47D63
 Content-Transfer-Encoding: quoted-printable
 Content-Type: text/html;
 	charset=us-ascii
 
 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
 charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
 -webkit-nbsp-mode: space; line-break: after-white-space;" =
 class=3D"">Congratulations, you found a kernel bug. MSG_PEEK is not =
 supposed to reset so-&gt;so_{r,}error.<div class=3D"">Try this (not even =
 compile-tested).<br class=3D""><div class=3D""><br class=3D""></div><div =
 class=3D"">christos<br class=3D""><div class=3D""><br =
 class=3D""></div><div class=3D""><div class=3D"">diff -u -u -r1.281 =
 uipc_socket.c</div><div class=3D"">--- uipc_socket.c &nbsp; &nbsp; =
 &nbsp; 16 Jul 2019 22:57:55 -0000 &nbsp; &nbsp; &nbsp;1.281</div><div =
 class=3D"">+++ uipc_socket.c &nbsp; &nbsp; &nbsp; 14 Sep 2019 13:52:57 =
 -0000</div><div class=3D"">@@ -928,7 +928,8 @@</div><div class=3D"">&nbsp;=
  &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div =
 class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if =
 (so-&gt;so_error) {</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; error =3D =
 so-&gt;so_error;</div><div class=3D"">- &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; so-&gt;so_error =3D =
 0;</div><div class=3D"">+ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((flags &amp; MSG_PEEK) =3D=3D =
 0)</div><div class=3D"">+ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 so-&gt;so_error =3D 0;</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; goto =
 release;</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; }</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; if ((so-&gt;so_state &amp; SS_ISCONNECTED) =3D=3D =
 0) {</div><div class=3D"">@@ -1227,13 +1228,10 @@</div><div =
 class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if =
 (so-&gt;so_error || so-&gt;so_rerror) {</div><div class=3D"">&nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; if (m !=3D NULL)</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; goto dontblock;</div><div class=3D"">- &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if =
 (so-&gt;so_error) {</div><div class=3D"">- &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; error =3D so-&gt;so_error;</div><div class=3D"">- &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; so-&gt;so_error =3D 0;</div><div class=3D"">- =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; } else {</div><div class=3D"">- &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; error =3D so-&gt;so_rerror;</div><div class=3D"">- &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; so-&gt;so_rerror =3D 0;</div><div class=3D"">- =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; }</div><div class=3D"">+ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; int *e =3D so-&gt;so_error ? =
 &amp;so-&gt;so_error : &amp;so-&gt;so_rerror;</div><div class=3D"">+ =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; error =3D *e;</div><div class=3D"">+ &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((flags &amp; =
 MSG_PEEK) =3D=3D 0)</div><div class=3D"">+ &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; *e =3D 0;</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; goto release;</div><div =
 class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 }</div><div class=3D"">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
 &nbsp; if (so-&gt;so_state &amp; SS_CANTRCVMORE) {</div><div =
 class=3D""><br class=3D""></div><div><br class=3D""><blockquote =
 type=3D"cite" class=3D""><div class=3D"">On Sep 14, 2019, at 9:40 AM, =
 Anthony Mallet &lt;<a href=3D"mailto:anthony.mallet%useless-ficus.net@localhost"; =
 class=3D"">anthony.mallet%useless-ficus.net@localhost</a>&gt; wrote:</div><br =
 class=3D"Apple-interchange-newline"><div class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">#include =
 &lt;sys/socket.h&gt;</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">#include &lt;netinet/in.h&gt;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">#include &lt;err.h&gt;</span><br style=3D"caret-color: rgb(0, =
 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">#include &lt;event.h&gt;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">#include &lt;netdb.h&gt;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">#include &lt;poll.h&gt;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">int</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">main()</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">{</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;struct addrinfo hints =3D { 0 }, *res, =
 *r;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;struct sockaddr_storage frominet;</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;struct pollfd =
 fds;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;socklen_t len;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;char buf[16];</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;ssize_t s;</span><br style=3D"caret-color: rgb(0, =
 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;int error;</span><br style=3D"caret-color: rgb(0, =
 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;int fd;</span><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;/* setup sending socket */</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;hints.ai_flags =3D =
 AI_PASSIVE;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;hints.ai_family =3D AF_INET6;</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;hints.ai_socktype =3D =
 SOCK_DGRAM;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;error =3D getaddrinfo(NULL, "12345", &amp;hints, =
 &amp;res);</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" class=3D"">&nbsp;&nbsp;if =
 (error) err(2, "getaddrinfo bind");</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;for (r =3D res; r; r =3D r-&gt;ai_next) =
 {</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; =
 font-size: 12px; font-style: normal; font-variant-caps: normal; =
 font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;fd =3D socket(r-&gt;ai_family, =
 r-&gt;ai_socktype, r-&gt;ai_protocol);</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;if (fd &lt; 0) err(2, =
 "socket");</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;if (bind(fd, r-&gt;ai_addr, =
 r-&gt;ai_addrlen) &lt; 0)</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;err(2, "bind");</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;break;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;}</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;freeaddrinfo(res);</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;/* non-existent host */</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;hints.ai_flags =3D =
 AI_NUMERICHOST;</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;hints.ai_family =3D AF_INET6;</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;hints.ai_socktype =3D =
 SOCK_DGRAM;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;error =3D getaddrinfo("fc00::", "12345", =
 &amp;hints, &amp;res);</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;if (error) err(2, "getaddrinfo =
 sendto");</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" class=3D"">&nbsp;&nbsp;/* =
 send empty datagram */</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;for (r =3D res; r; r =3D r-&gt;ai_next) =
 {</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; =
 font-size: 12px; font-style: normal; font-variant-caps: normal; =
 font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;s =3D sendto(fd, "", 1, 0, =
 r-&gt;ai_addr, r-&gt;ai_addrlen);</span><br style=3D"caret-color: rgb(0, =
 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;if (s =3D=3D -1)</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;err(2, =
 "sendto");</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;warnx("sent %zd bytes", s);</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;break;</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;}</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;freeaddrinfo(res);</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;/* wait for events: sock will be readable and =
 return EHOSTDOWN */</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;while (1) {</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;fds.fd =3D fd;</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;fds.events=
  =3D POLLIN;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;if (poll(&amp;fds, 1, -1) =3D=3D 1) =
 {</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; =
 font-size: 12px; font-style: normal; font-variant-caps: normal; =
 font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;warnx("events %d %d", =
 fds.events, fds.revents);</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/* do the equivalent of a =
 libwarp "hostfrom" */</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;len =3D =
 sizeof(frominet);</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (recvfrom(fd, buf, =
 sizeof(buf), MSG_PEEK,</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
 sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(struct sockaddr =
 *)&amp;frominet, &amp;len) &lt; 0) {</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;warn("can't =
 get client address");</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/* this blocks because =
 the EHOSTDOWN was eaten above */</span><br style=3D"caret-color: rgb(0, =
 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;s =3D recv(fd, buf, =
 sizeof(buf), 0);</span><br style=3D"caret-color: rgb(0, 0, 0); =
 font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;warn("recv %zd", =
 s);</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
 Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
 normal; font-weight: normal; letter-spacing: normal; text-align: start; =
 text-indent: 0px; text-transform: none; white-space: normal; =
 word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
 none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;}</span><br style=3D"caret-color: =
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
 normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
 normal; text-align: start; text-indent: 0px; text-transform: none; =
 white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
 0); font-family: Helvetica; font-size: 12px; font-style: normal; =
 font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
 text-align: start; text-indent: 0px; text-transform: none; white-space: =
 normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
 text-decoration: none; float: none; display: inline !important;" =
 class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;warnx("not reached :/");</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;}</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" class=3D"">&nbsp;&nbsp;return 0;</span><br =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
 style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
 12px; font-style: normal; font-variant-caps: normal; font-weight: =
 normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
 text-transform: none; white-space: normal; word-spacing: 0px; =
 -webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
 display: inline !important;" =
 class=3D"">}</span></div></blockquote></div><br =
 class=3D""></div></div></div></body></html>=
 
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