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ðŸ“„ a.out.h(268 B)
ðŸ“„ byteswap.h(2.39 KB)
ðŸ“„ cmathcalls.h(4.04 KB)
ðŸ“„ confname.h(23.15 KB)
ðŸ“„ cpu-set.h(4.41 KB)
ðŸ“„ dirent.h(1.73 KB)
ðŸ“„ dlfcn.h(2.46 KB)
ðŸ“„ elfclass.h(426 B)
ðŸ“„ endian.h(176 B)
ðŸ“„ environments.h(3.7 KB)
ðŸ“„ epoll.h(1.04 KB)
ðŸ“„ errno.h(1.39 KB)
ðŸ“„ error.h(2.62 KB)
ðŸ“„ eventfd.h(1.1 KB)
ðŸ“„ fcntl-linux.h(13.39 KB)
ðŸ“„ fcntl.h(2.19 KB)
ðŸ“„ fcntl2.h(5.44 KB)
ðŸ“„ fenv.h(4.5 KB)
ðŸ“„ fenvinline.h(190 B)
ðŸ“„ floatn-common.h(9.54 KB)
ðŸ“„ floatn.h(4.27 KB)
ðŸ“„ flt-eval-method.h(1.19 KB)
ðŸ“„ fp-fast.h(1.19 KB)
ðŸ“„ fp-logb.h(1011 B)
ðŸ“„ getopt_core.h(3.58 KB)
ðŸ“„ getopt_ext.h(2.97 KB)
ðŸ“„ getopt_posix.h(1.77 KB)
ðŸ“„ hwcap.h(971 B)
ðŸ“„ in.h(9.24 KB)
ðŸ“„ indirect-return.h(1.55 KB)
ðŸ“„ initspin.h(25 B)
ðŸ“„ inotify.h(1.05 KB)
ðŸ“„ ioctl-types.h(2.4 KB)
ðŸ“„ ioctls.h(4.37 KB)
ðŸ“„ ipc.h(2.02 KB)
ðŸ“„ ipctypes.h(1.15 KB)
ðŸ“„ iscanonical.h(2.42 KB)
ðŸ“„ libc-header-start.h(2.55 KB)
ðŸ“„ libm-simd-decl-stubs.h(2.93 KB)
ðŸ“„ link.h(4.18 KB)
ðŸ“„ link_lavcurrent.h(1.07 KB)
ðŸ“„ local_lim.h(3.11 KB)
ðŸ“„ locale.h(1.33 KB)
ðŸ“„ long-double.h(923 B)
ðŸ“„ math-finite.h(5.25 KB)
ðŸ“„ math-vector.h(2.25 KB)
ðŸ“„ mathcalls-helper-functions.h(1.72 KB)
ðŸ“„ mathcalls-narrow.h(1.28 KB)
ðŸ“„ mathcalls.h(12.79 KB)
ðŸ“„ mathdef.h(890 B)
ðŸ“„ mathinline.h(12.71 KB)
ðŸ“„ mman-linux.h(4.78 KB)
ðŸ“„ mman-shared.h(2.67 KB)
ðŸ“„ mman.h(2.01 KB)
ðŸ“„ monetary-ldbl.h(1.02 KB)
ðŸ“„ mqueue.h(1.22 KB)
ðŸ“„ mqueue2.h(2.1 KB)
ðŸ“„ msq.h(2.58 KB)
ðŸ“„ netdb.h(1.23 KB)
ðŸ“„ param.h(1.4 KB)
ðŸ“„ poll.h(2.03 KB)
ðŸ“„ poll2.h(2.43 KB)
ðŸ“„ posix1_lim.h(5.07 KB)
ðŸ“„ posix2_lim.h(2.8 KB)
ðŸ“„ posix_opt.h(5.63 KB)
ðŸ“„ printf-ldbl.h(991 B)
ðŸ“„ pthreadtypes-arch.h(3.21 KB)
ðŸ“„ pthreadtypes.h(3 KB)
ðŸ“„ ptrace-shared.h(2.83 KB)
ðŸ“„ resource.h(6.15 KB)
ðŸ“„ sched.h(3.66 KB)
ðŸ“„ select.h(2.06 KB)
ðŸ“„ select2.h(1.4 KB)
ðŸ“„ sem.h(2.56 KB)
ðŸ“„ semaphore.h(1.21 KB)
ðŸ“„ setjmp.h(1.26 KB)
ðŸ“„ setjmp2.h(1.66 KB)
ðŸ“„ shm.h(3.51 KB)
ðŸ“„ sigaction.h(2.87 KB)
ðŸ“„ sigcontext.h(4.16 KB)
ðŸ“„ sigevent-consts.h(1.44 KB)
ðŸ“„ siginfo-arch.h(729 B)
ðŸ“„ siginfo-consts-arch.h(204 B)
ðŸ“„ siginfo-consts.h(5.83 KB)
ðŸ“„ signalfd.h(1.04 KB)
ðŸ“„ signum-generic.h(4.24 KB)
ðŸ“„ signum.h(1.59 KB)
ðŸ“„ sigstack.h(1.14 KB)
ðŸ“„ sigthread.h(1.65 KB)
ðŸ“„ sockaddr.h(1.48 KB)
ðŸ“„ socket.h(15.2 KB)
ðŸ“„ socket2.h(2.96 KB)
ðŸ“„ socket_type.h(2.16 KB)
ðŸ“„ ss_flags.h(1.16 KB)
ðŸ“„ stab.def(8.83 KB)
ðŸ“„ stat.h(7.44 KB)
ðŸ“„ statfs.h(1.87 KB)
ðŸ“„ statvfs.h(3.34 KB)
ðŸ“„ statx-generic.h(2 KB)
ðŸ“„ statx.h(1.37 KB)
ðŸ“„ stdint-intn.h(1.01 KB)
ðŸ“„ stdint-uintn.h(1.02 KB)
ðŸ“„ stdio-ldbl.h(2.94 KB)
ðŸ“„ stdio.h(5.46 KB)
ðŸ“„ stdio2.h(12.25 KB)
ðŸ“„ stdio_lim.h(1.18 KB)
ðŸ“„ stdlib-bsearch.h(1.34 KB)
ðŸ“„ stdlib-float.h(1.09 KB)
ðŸ“„ stdlib-ldbl.h(1.34 KB)
ðŸ“„ stdlib.h(4.95 KB)
ðŸ“„ string_fortified.h(4.57 KB)
ðŸ“„ strings_fortified.h(1.21 KB)
ðŸ“„ sys_errlist.h(1.19 KB)
ðŸ“„ syscall.h(44.59 KB)
ðŸ“„ sysctl.h(898 B)
ðŸ“„ syslog-ldbl.h(1.18 KB)
ðŸ“„ syslog-path.h(1.04 KB)
ðŸ“„ syslog.h(1.64 KB)
ðŸ“„ sysmacros.h(2.88 KB)
ðŸ“„ termios.h(5.24 KB)
ðŸ“„ thread-shared-types.h(6.58 KB)
ðŸ“„ time.h(2.93 KB)
ðŸ“„ timerfd.h(1.08 KB)
ðŸ“„ timex.h(4.49 KB)
ðŸ“ types
ðŸ“„ types.h(8.14 KB)
ðŸ“„ typesizes.h(3.32 KB)
ðŸ“„ uintn-identity.h(1.5 KB)
ðŸ“„ uio-ext.h(1.88 KB)
ðŸ“„ uio_lim.h(1.35 KB)
ðŸ“„ unistd.h(10.56 KB)
ðŸ“„ utmp.h(3.97 KB)
ðŸ“„ utmpx.h(3.49 KB)
ðŸ“„ utsname.h(1.18 KB)
ðŸ“„ waitflags.h(1.66 KB)
ðŸ“„ waitstatus.h(2.23 KB)
ðŸ“„ wchar-ldbl.h(2.37 KB)
ðŸ“„ wchar.h(1.86 KB)
ðŸ“„ wchar2.h(17.79 KB)
ðŸ“„ wctype-wchar.h(6.15 KB)
ðŸ“„ wordsize.h(442 B)
ðŸ“„ xopen_lim.h(3.77 KB)

Editing: in.h

/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/* Linux version.  */

#ifndef _NETINET_IN_H
# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
#endif

/* If the application has already included linux/in6.h from a linux-based
   kernel then we will not define the IPv6 IPPROTO_* defines, in6_addr (nor the
   defines), sockaddr_in6, or ipv6_mreq. Same for in6_ptkinfo or ip6_mtuinfo
   in linux/ipv6.h. The ABI used by the linux-kernel and glibc match exactly.
   Neither the linux kernel nor glibc should break this ABI without coordination.
   In upstream kernel 56c176c9 the _UAPI prefix was stripped so we need to check
   for _LINUX_IN6_H and _IPV6_H now, and keep checking the old versions for
   maximum backwards compatibility.  */
#if defined _UAPI_LINUX_IN6_H \
    || defined _UAPI_IPV6_H \
    || defined _LINUX_IN6_H \
    || defined _IPV6_H
/* This is not quite the same API since the kernel always defines s6_addr16 and
   s6_addr32. This is not a violation of POSIX since POSIX says "at least the
   following member" and that holds true.  */
# define __USE_KERNEL_IPV6_DEFS 1
#else
# define __USE_KERNEL_IPV6_DEFS 0
#endif

/* Options for use with `getsockopt' and `setsockopt' at the IP level.
   The first word in the comment at the right is the data type used;
   "bool" means a boolean value stored in an `int'.  */
#define        IP_OPTIONS      4       /* ip_opts; IP per-packet options.  */
#define        IP_HDRINCL      3       /* int; Header is included with data.  */
#define        IP_TOS          1       /* int; IP type of service and precedence.  */
#define        IP_TTL          2       /* int; IP time to live.  */
#define        IP_RECVOPTS     6       /* bool; Receive all IP options w/datagram.  */
/* For BSD compatibility.  */
#define        IP_RECVRETOPTS  IP_RETOPTS       /* bool; Receive IP options for response.  */
#define        IP_RETOPTS      7       /* ip_opts; Set/get IP per-packet options.  */
#define IP_MULTICAST_IF 32	/* in_addr; set/get IP multicast i/f */
#define IP_MULTICAST_TTL 33	/* unsigned char; set/get IP multicast ttl */
#define IP_MULTICAST_LOOP 34	/* bool; set/get IP multicast loopback */
#define IP_ADD_MEMBERSHIP 35	/* ip_mreq; add an IP group membership */
#define IP_DROP_MEMBERSHIP 36	/* ip_mreq; drop an IP group membership */
#define IP_UNBLOCK_SOURCE 37	/* ip_mreq_source: unblock data from source */
#define IP_BLOCK_SOURCE 38	/* ip_mreq_source: block data from source */
#define IP_ADD_SOURCE_MEMBERSHIP 39 /* ip_mreq_source: join source group */
#define IP_DROP_SOURCE_MEMBERSHIP 40 /* ip_mreq_source: leave source group */
#define IP_MSFILTER 41
#ifdef __USE_MISC
# define MCAST_JOIN_GROUP 42	/* group_req: join any-source group */
# define MCAST_BLOCK_SOURCE 43	/* group_source_req: block from given group */
# define MCAST_UNBLOCK_SOURCE 44 /* group_source_req: unblock from given group*/
# define MCAST_LEAVE_GROUP 45	/* group_req: leave any-source group */
# define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */
# define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/
# define MCAST_MSFILTER 48
# define IP_MULTICAST_ALL 49
# define IP_UNICAST_IF 50

# define MCAST_EXCLUDE   0
# define MCAST_INCLUDE   1
#endif

#define IP_ROUTER_ALERT	5	/* bool */
#define IP_PKTINFO	8	/* bool */
#define IP_PKTOPTIONS	9
#define IP_PMTUDISC	10	/* obsolete name? */
#define IP_MTU_DISCOVER	10	/* int; see below */
#define IP_RECVERR	11	/* bool */
#define IP_RECVTTL	12	/* bool */
#define IP_RECVTOS	13	/* bool */
#define IP_MTU		14	/* int */
#define IP_FREEBIND	15
#define IP_IPSEC_POLICY 16
#define IP_XFRM_POLICY	17
#define IP_PASSSEC	18
#define IP_TRANSPARENT	19
#define IP_MULTICAST_ALL 49	/* bool */

/* TProxy original addresses */
#define IP_ORIGDSTADDR       20
#define IP_RECVORIGDSTADDR   IP_ORIGDSTADDR

#define IP_MINTTL       21
#define IP_NODEFRAG     22
#define IP_CHECKSUM     23
#define IP_BIND_ADDRESS_NO_PORT 24
#define IP_RECVFRAGSIZE 25

/* IP_MTU_DISCOVER arguments.  */
#define IP_PMTUDISC_DONT   0	/* Never send DF frames.  */
#define IP_PMTUDISC_WANT   1	/* Use per route hints.  */
#define IP_PMTUDISC_DO     2	/* Always DF.  */
#define IP_PMTUDISC_PROBE  3	/* Ignore dst pmtu.  */
/* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
   Also incoming ICMP frag_needed notifications will be ignored on
   this socket to prevent accepting spoofed ones.  */
#define IP_PMTUDISC_INTERFACE           4
/* Like IP_PMTUDISC_INTERFACE but allow packets to be fragmented.  */
#define IP_PMTUDISC_OMIT		5

#define IP_MULTICAST_IF			32
#define IP_MULTICAST_TTL 		33
#define IP_MULTICAST_LOOP 		34
#define IP_ADD_MEMBERSHIP		35
#define IP_DROP_MEMBERSHIP		36
#define IP_UNBLOCK_SOURCE		37
#define IP_BLOCK_SOURCE			38
#define IP_ADD_SOURCE_MEMBERSHIP	39
#define IP_DROP_SOURCE_MEMBERSHIP	40
#define IP_MSFILTER			41
#define IP_MULTICAST_ALL		49
#define IP_UNICAST_IF			50

/* To select the IP level.  */
#define SOL_IP	0

#define IP_DEFAULT_MULTICAST_TTL        1
#define IP_DEFAULT_MULTICAST_LOOP       1
#define IP_MAX_MEMBERSHIPS              20

#ifdef __USE_MISC
/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
   The `ip_dst' field is used for the first-hop gateway when using a
   source route (this gets put into the header proper).  */
struct ip_opts
  {
    struct in_addr ip_dst;	/* First hop; zero without source route.  */
    char ip_opts[40];		/* Actually variable in size.  */
  };

/* Like `struct ip_mreq' but including interface specification by index.  */
struct ip_mreqn
  {
    struct in_addr imr_multiaddr;	/* IP multicast address of group */
    struct in_addr imr_address;		/* local IP address of interface */
    int	imr_ifindex;			/* Interface index */
  };

/* Structure used for IP_PKTINFO.  */
struct in_pktinfo
  {
    int ipi_ifindex;			/* Interface index  */
    struct in_addr ipi_spec_dst;	/* Routing destination address  */
    struct in_addr ipi_addr;		/* Header destination address  */
  };
#endif

/* Options for use with `getsockopt' and `setsockopt' at the IPv6 level.
   The first word in the comment at the right is the data type used;
   "bool" means a boolean value stored in an `int'.  */
#define IPV6_ADDRFORM		1
#define IPV6_2292PKTINFO	2
#define IPV6_2292HOPOPTS	3
#define IPV6_2292DSTOPTS	4
#define IPV6_2292RTHDR		5
#define IPV6_2292PKTOPTIONS	6
#define IPV6_CHECKSUM		7
#define IPV6_2292HOPLIMIT	8

#define SCM_SRCRT		IPV6_RXSRCRT

#define IPV6_NEXTHOP		9
#define IPV6_AUTHHDR		10
#define IPV6_UNICAST_HOPS	16
#define IPV6_MULTICAST_IF	17
#define IPV6_MULTICAST_HOPS	18
#define IPV6_MULTICAST_LOOP	19
#define IPV6_JOIN_GROUP		20
#define IPV6_LEAVE_GROUP	21
#define IPV6_ROUTER_ALERT	22
#define IPV6_MTU_DISCOVER	23
#define IPV6_MTU		24
#define IPV6_RECVERR		25
#define IPV6_V6ONLY		26
#define IPV6_JOIN_ANYCAST	27
#define IPV6_LEAVE_ANYCAST	28
#define IPV6_IPSEC_POLICY	34
#define IPV6_XFRM_POLICY	35
#define IPV6_HDRINCL		36

/* Advanced API (RFC3542) (1).  */
#define IPV6_RECVPKTINFO	49
#define IPV6_PKTINFO		50
#define IPV6_RECVHOPLIMIT	51
#define IPV6_HOPLIMIT		52
#define IPV6_RECVHOPOPTS	53
#define IPV6_HOPOPTS		54
#define IPV6_RTHDRDSTOPTS	55
#define IPV6_RECVRTHDR		56
#define IPV6_RTHDR		57
#define IPV6_RECVDSTOPTS	58
#define IPV6_DSTOPTS		59
#define IPV6_RECVPATHMTU	60
#define IPV6_PATHMTU		61
#define IPV6_DONTFRAG		62

/* Advanced API (RFC3542) (2).  */
#define IPV6_RECVTCLASS		66
#define IPV6_TCLASS		67

#define IPV6_AUTOFLOWLABEL	70

/* RFC5014.  */
#define IPV6_ADDR_PREFERENCES	72

/* RFC5082.  */
#define IPV6_MINHOPCOUNT	73

#define IPV6_ORIGDSTADDR	74
#define IPV6_RECVORIGDSTADDR	IPV6_ORIGDSTADDR
#define IPV6_TRANSPARENT	75
#define IPV6_UNICAST_IF		76
#define IPV6_RECVFRAGSIZE	77
#define IPV6_FREEBIND		78

/* Obsolete synonyms for the above.  */
#if !__USE_KERNEL_IPV6_DEFS
# define IPV6_ADD_MEMBERSHIP	IPV6_JOIN_GROUP
# define IPV6_DROP_MEMBERSHIP	IPV6_LEAVE_GROUP
#endif
#define IPV6_RXHOPOPTS		IPV6_HOPOPTS
#define IPV6_RXDSTOPTS		IPV6_DSTOPTS

/* IPV6_MTU_DISCOVER values.  */
#define IPV6_PMTUDISC_DONT	0	/* Never send DF frames.  */
#define IPV6_PMTUDISC_WANT	1	/* Use per route hints.  */
#define IPV6_PMTUDISC_DO	2	/* Always DF.  */
#define IPV6_PMTUDISC_PROBE	3	/* Ignore dst pmtu.  */
#define IPV6_PMTUDISC_INTERFACE	4	/* See IP_PMTUDISC_INTERFACE.  */
#define IPV6_PMTUDISC_OMIT	5	/* See IP_PMTUDISC_OMIT.  */

/* Socket level values for IPv6.  */
#define SOL_IPV6        41
#define SOL_ICMPV6      58

/* Routing header options for IPv6.  */
#define IPV6_RTHDR_LOOSE	0	/* Hop doesn't need to be neighbour. */
#define IPV6_RTHDR_STRICT	1	/* Hop must be a neighbour.  */

#define IPV6_RTHDR_TYPE_0	0	/* IPv6 Routing header type 0.  */

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Editing: in.h

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