872b698bd4
Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point.
197 lines
5.8 KiB
C
197 lines
5.8 KiB
C
/* $KAME: rtsold.h,v 1.19 2003/04/16 09:48:15 itojun Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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struct script_msg {
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TAILQ_ENTRY(script_msg) sm_next;
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char *sm_msg;
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};
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TAILQ_HEAD(script_msg_head_t, script_msg);
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struct ra_opt {
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TAILQ_ENTRY(ra_opt) rao_next;
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u_int8_t rao_type;
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struct timespec rao_expire;
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size_t rao_len;
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void *rao_msg;
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};
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TAILQ_HEAD(rainfo_head, ra_opt);
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struct rainfo {
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TAILQ_ENTRY(rainfo) rai_next;
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struct ifinfo *rai_ifinfo;
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struct sockaddr_in6 rai_saddr;
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TAILQ_HEAD(, ra_opt) rai_ra_opt;
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};
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struct ifinfo {
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TAILQ_ENTRY(ifinfo) ifi_next; /* pointer to the next interface */
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struct sockaddr_dl *sdl; /* link-layer address */
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char ifname[IFNAMSIZ]; /* interface name */
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u_int32_t linkid; /* link ID of this interface */
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int active; /* interface status */
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int probeinterval; /* interval of probe timer (if necessary) */
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int probetimer; /* rest of probe timer */
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int mediareqok; /* whether the IF supports SIOCGIFMEDIA */
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int otherconfig; /* need a separate protocol for the "other"
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* configuration */
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int state;
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int probes;
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int dadcount;
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struct timespec timer;
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struct timespec expire;
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int errors; /* # of errors we've got - detect wedge */
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#define IFI_DNSOPT_STATE_NOINFO 0
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#define IFI_DNSOPT_STATE_RECEIVED 1
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int ifi_rdnss; /* RDNSS option state */
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int ifi_dnssl; /* DNSSL option state */
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int racnt; /* total # of valid RAs it have got */
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TAILQ_HEAD(, rainfo) ifi_rainfo;
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size_t rs_datalen;
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u_char *rs_data;
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};
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/* per interface status */
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#define IFS_IDLE 0
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#define IFS_DELAY 1
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#define IFS_PROBE 2
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#define IFS_DOWN 3
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#define IFS_TENTATIVE 4
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/* Interface list */
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extern TAILQ_HEAD(ifinfo_head_t, ifinfo) ifinfo_head;
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#define DNSINFO_ORIGIN_LABEL "slaac"
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/*
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* RFC 3542 API deprecates IPV6_PKTINFO in favor of
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* IPV6_RECVPKTINFO
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*/
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#ifndef IPV6_RECVPKTINFO
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#ifdef IPV6_PKTINFO
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#define IPV6_RECVPKTINFO IPV6_PKTINFO
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#endif
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#endif
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/*
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* RFC 3542 API deprecates IPV6_HOPLIMIT in favor of
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* IPV6_RECVHOPLIMIT
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*/
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#ifndef IPV6_RECVHOPLIMIT
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#ifdef IPV6_HOPLIMIT
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#define IPV6_RECVHOPLIMIT IPV6_HOPLIMIT
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#endif
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#endif
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#ifndef IN6ADDR_LINKLOCAL_ALLROUTERS_INIT
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#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
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{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
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#endif
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#define TS_CMP(tsp, usp, cmp) \
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(((tsp)->tv_sec == (usp)->tv_sec) ? \
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((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
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((tsp)->tv_sec cmp (usp)->tv_sec))
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#define TS_ADD(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
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if ((vsp)->tv_nsec >= 1000000000L) { \
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(vsp)->tv_sec++; \
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(vsp)->tv_nsec -= 1000000000L; \
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} \
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} while (0)
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#define TS_SUB(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
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if ((vsp)->tv_nsec < 0) { \
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(vsp)->tv_sec--; \
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(vsp)->tv_nsec += 1000000000L; \
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} \
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} while (0)
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/* rtsold.c */
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extern struct timespec tm_max;
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extern int dflag;
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extern int aflag;
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extern int Fflag;
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extern int uflag;
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extern const char *otherconf_script;
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extern const char *resolvconf_script;
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extern int ifconfig(char *);
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extern void iflist_init(void);
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struct ifinfo *find_ifinfo(int);
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struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *);
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void rtsol_timer_update(struct ifinfo *);
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extern void warnmsg(int, const char *, const char *, ...)
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__attribute__((__format__(__printf__, 3, 4)));
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extern char **autoifprobe(void);
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extern int ra_opt_handler(struct ifinfo *);
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/* if.c */
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extern int ifinit(void);
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extern int interface_up(char *);
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extern int interface_status(struct ifinfo *);
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extern int lladdropt_length(struct sockaddr_dl *);
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extern void lladdropt_fill(struct sockaddr_dl *, struct nd_opt_hdr *);
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extern struct sockaddr_dl *if_nametosdl(char *);
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extern int getinet6sysctl(int);
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extern int setinet6sysctl(int, int);
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/* rtsol.c */
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extern int rssock;
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extern int sockopen(void);
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extern void sendpacket(struct ifinfo *);
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extern void rtsol_input(int);
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/* probe.c */
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extern int probe_init(void);
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extern void defrouter_probe(struct ifinfo *);
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/* dump.c */
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extern void rtsold_dump_file(const char *);
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extern const char *sec2str(const struct timespec *);
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/* rtsock.c */
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extern int rtsock_open(void);
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extern int rtsock_input(int);
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