golden hour

/usr/include/linux

File/Folder	Size	Actions
a.out.h	7.15 KB
acct.h	3.58 KB
adb.h	1.05 KB
adfs_fs.h	873 B
affs_hardblocks.h	1.45 KB
agpgart.h	3.83 KB
aio_abi.h	3.18 KB
apm_bios.h	3.46 KB
arcfb.h	150 B
atalk.h	960 B
atm.h	7.64 KB
atm_eni.h	585 B
atm_he.h	343 B
atm_idt77105.h	892 B
atm_nicstar.h	1.19 KB
atm_tcp.h	1.52 KB
atm_zatm.h	1.57 KB
atmapi.h	889 B
atmarp.h	1.2 KB
atmbr2684.h	3.13 KB
atmclip.h	513 B
atmdev.h	7.44 KB
atmioc.h	1.55 KB
atmlec.h	2.26 KB
atmmpc.h	4.07 KB
atmppp.h	576 B
atmsap.h	4.79 KB
atmsvc.h	1.75 KB
audit.h	17.83 KB
auto_fs.h	2.53 KB
auto_fs4.h	4.23 KB
auxvec.h	1.4 KB
ax25.h	2.7 KB
b1lli.h	1.62 KB
baycom.h	820 B
beancounter.h	2.38 KB
bfs_fs.h	1.79 KB
binfmts.h	565 B
blkpg.h	1.56 KB
blktrace_api.h	4.38 KB
bpqether.h	952 B
bsg.h	2.37 KB
bt-bmc.h	508 B
btrfs.h	25.07 KB
byteorder	-
caif	-
can	-
can.h	5.46 KB
capability.h	10.92 KB
capi.h	2.99 KB
cciss_defs.h	3.14 KB
cciss_ioctl.h	2.63 KB
cdrom.h	28.12 KB
cgroupstats.h	2.1 KB
chio.h	5.16 KB
cm4000_cs.h	1.68 KB
cn_proc.h	3.19 KB
coda.h	17.09 KB
coda_psdev.h	720 B
coff.h	12.12 KB
compat.h	9.63 KB
connector.h	2.14 KB
const.h	673 B
cramfs_fs.h	2.68 KB
cuda.h	842 B
cyclades.h	16.65 KB
cycx_cfm.h	2.86 KB
dcbnl.h	24.19 KB
dccp.h	6.22 KB
devlink.h	7.09 KB
dlm.h	2.43 KB
dlm_device.h	2.42 KB
dlm_netlink.h	1.04 KB
dlm_plock.h	831 B
dlmconstants.h	4.9 KB
dm-ioctl.h	10.55 KB
dm-log-userspace.h	14.82 KB
dn.h	4.42 KB
dqblk_xfs.h	8.72 KB
dvb	-
edd.h	5.41 KB
efs_fs_sb.h	2.11 KB
elf-em.h	1.83 KB
elf-fdpic.h	1.04 KB
elf.h	12.63 KB
elfcore.h	2.86 KB
errno.h	23 B
errqueue.h	1.1 KB
ethtool.h	68.76 KB
eventpoll.h	1.76 KB
fadvise.h	855 B
falloc.h	1.98 KB
fanotify.h	3.52 KB
fb.h	16 KB
fcntl.h	2.16 KB
fd.h	11.31 KB
fdreg.h	5.23 KB
fib_rules.h	1.57 KB
fiemap.h	2.65 KB
filter.h	3.53 KB
firewire-cdev.h	42.86 KB
firewire-constants.h	3.16 KB
flat.h	2.04 KB
fou.h	617 B
fs.h	9.84 KB
fsl_hypervisor.h	7.05 KB
fuse.h	16.22 KB
futex.h	4.81 KB
gameport.h	834 B
gen_stats.h	1.48 KB
genetlink.h	1.85 KB
gfs2_ondisk.h	12 KB
gigaset_dev.h	1.35 KB
hdlc	-
hdlc.h	574 B
hdlcdrv.h	2.78 KB
hdreg.h	22.11 KB
hid.h	1.79 KB
hiddev.h	6.13 KB
hidraw.h	1.41 KB
hpet.h	680 B
hsi	-
hw_breakpoint.h	679 B
hyperv.h	10.22 KB
hysdn_if.h	1.29 KB
i2c-dev.h	2.37 KB
i2c.h	6.61 KB
i2o-dev.h	11.22 KB
i8k.h	1.4 KB
icmp.h	2.82 KB
icmpv6.h	3.82 KB
if.h	9.36 KB
if_addr.h	1.7 KB
if_addrlabel.h	658 B
if_alg.h	816 B
if_arcnet.h	3.63 KB
if_arp.h	6.3 KB
if_bonding.h	4.11 KB
if_bridge.h	6.46 KB
if_cablemodem.h	922 B
if_eql.h	1.26 KB
if_ether.h	7.13 KB
if_fc.h	1.63 KB
if_fddi.h	3.6 KB
if_frad.h	2.89 KB
if_hippi.h	4.07 KB
if_infiniband.h	1.13 KB
if_link.h	19.1 KB
if_ltalk.h	147 B
if_macsec.h	5.42 KB
if_packet.h	7.15 KB
if_phonet.h	361 B
if_plip.h	596 B
if_ppp.h	29 B
if_pppol2tp.h	3.18 KB
if_pppox.h	4.64 KB
if_slip.h	809 B
if_team.h	2.48 KB
if_tun.h	3.77 KB
if_tunnel.h	3 KB
if_vlan.h	1.69 KB
if_x25.h	817 B
ife.h	288 B
igmp.h	2.88 KB
in.h	9.15 KB
in6.h	6.99 KB
in_route.h	873 B
inet_diag.h	3.23 KB
inotify.h	3.09 KB
input.h	32.47 KB
ioctl.h	100 B
ip.h	3.47 KB
ip6_tunnel.h	1.67 KB
ip_vs.h	12.71 KB
ipc.h	1.99 KB
ipmi.h	15.8 KB
ipmi_msgdefs.h	4.37 KB
ipsec.h	884 B
ipv6.h	3.25 KB
ipv6_route.h	1.69 KB
ipx.h	1.79 KB
irda.h	7.31 KB
irqnr.h	104 B
isdn	-
isdn.h	5.58 KB
isdn_divertif.h	1.11 KB
isdn_ppp.h	1.82 KB
isdnif.h	2.25 KB
iso_fs.h	6.29 KB
ivtv.h	2.89 KB
ivtvfb.h	1.12 KB
ixjuser.h	24.53 KB
jffs2.h	6.85 KB
joystick.h	3.5 KB
kd.h	6.04 KB
kdev_t.h	320 B
kernel-page-flags.h	767 B
kernel.h	375 B
kernelcapi.h	956 B
kexec.h	1.92 KB
keyboard.h	12.42 KB
keyctl.h	2.98 KB
kvm.h	33.97 KB
kvm_para.h	819 B
l2tp.h	4.98 KB
libc-compat.h	3.44 KB
limits.h	874 B
llc.h	2.98 KB
loop.h	2.31 KB
lp.h	3.72 KB
lwtunnel.h	839 B
magic.h	2.91 KB
major.h	4.48 KB
map_to_7segment.h	7.02 KB
matroxfb.h	1.37 KB
mdio.h	13.74 KB
media.h	3.5 KB
mei.h	4.62 KB
memfd.h	186 B
mempolicy.h	2.35 KB
meye.h	2.41 KB
mii.h	7.76 KB
minix_fs.h	2.01 KB
mman.h	230 B
mmc	-
mmtimer.h	2.01 KB
mpls.h	1.33 KB
mqueue.h	2.01 KB
mroute.h	4.12 KB
mroute6.h	4.08 KB
msdos_fs.h	6.28 KB
msg.h	2.55 KB
mtio.h	7.92 KB
n_r3964.h	2.29 KB
nbd.h	2.34 KB
ncp.h	4.94 KB
ncp_fs.h	3.27 KB
ncp_mount.h	2.06 KB
ncp_no.h	651 B
ndctl.h	8.79 KB
neighbour.h	4.17 KB
net.h	1.97 KB
net_dropmon.h	1.07 KB
net_namespace.h	609 B
net_tstamp.h	4.06 KB
netconf.h	423 B
netdevice.h	1.46 KB
netfilter	-
netfilter.h	1.56 KB
netfilter_arp	-
netfilter_arp.h	380 B
netfilter_bridge	-
netfilter_bridge.h	768 B
netfilter_decnet.h	1.83 KB
netfilter_ipv4	-
netfilter_ipv4.h	2.02 KB
netfilter_ipv6	-
netfilter_ipv6.h	2.04 KB
netlink.h	6.22 KB
netlink_diag.h	1.33 KB
netrom.h	744 B
nfc.h	7.72 KB
nfs.h	4.31 KB
nfs2.h	1.37 KB
nfs3.h	2.24 KB
nfs4.h	5.95 KB
nfs4_mount.h	1.83 KB
nfs_fs.h	1.51 KB
nfs_idmap.h	2.19 KB
nfs_mount.h	2.32 KB
nfsacl.h	605 B
nfsd	-
nl80211.h	226.29 KB
nubus.h	8.17 KB
nvme_ioctl.h	1.55 KB
nvram.h	469 B
omap3isp.h	20.19 KB
omapfb.h	5.72 KB
oom.h	448 B
openvswitch.h	31.79 KB
packet_diag.h	1.5 KB
param.h	78 B
parport.h	3.56 KB
patchkey.h	829 B
pci.h	1.29 KB
pci_regs.h	49.96 KB
perf_event.h	29.53 KB
personality.h	1.99 KB
pfkeyv2.h	9.91 KB
pg.h	2.23 KB
phantom.h	1.55 KB
phonet.h	4.51 KB
pkt_cls.h	11.51 KB
pkt_sched.h	19.75 KB
pktcdvd.h	2.56 KB
pmu.h	5.13 KB
poll.h	22 B
posix_types.h	1.01 KB
ppdev.h	3.07 KB
ppp-comp.h	2.41 KB
ppp-ioctl.h	5.29 KB
ppp_defs.h	4.93 KB
pps.h	4.06 KB
prctl.h	6.71 KB
psample.h	735 B
ptp_clock.h	4.69 KB
ptrace.h	3.2 KB
qnx4_fs.h	2.21 KB
qnxtypes.h	561 B
quota.h	5.78 KB
radeonfb.h	297 B
raid	-
random.h	1.2 KB
raw.h	302 B
rds.h	7.9 KB
reboot.h	1.25 KB
reiserfs_fs.h	712 B
reiserfs_xattr.h	464 B
resource.h	2.09 KB
rfkill.h	3.5 KB
romfs_fs.h	1.15 KB
rose.h	2.12 KB
route.h	2.21 KB
rtc.h	3.85 KB
rtnetlink.h	16.63 KB
scc.h	4.43 KB
sched.h	2.23 KB
screen_info.h	2.36 KB
sctp.h	29.29 KB
sdla.h	2.71 KB
seccomp.h	1.79 KB
securebits.h	2.58 KB
selinux_netlink.h	1.11 KB
sem.h	2.52 KB
serial.h	3.04 KB
serial_core.h	5.11 KB
serial_reg.h	15.66 KB
serio.h	1.77 KB
shm.h	2.17 KB
signal.h	171 B
signalfd.h	1.07 KB
snmp.h	12.38 KB
sock_diag.h	431 B
socket.h	738 B
sockios.h	5.89 KB
som.h	5.35 KB
sonet.h	2.17 KB
sonypi.h	5.12 KB
sound.h	1.15 KB
soundcard.h	44.96 KB
spi	-
stat.h	1 KB
stddef.h	1 B
string.h	175 B
sunrpc	-
suspend_ioctls.h	1.34 KB
swab.h	6.36 KB
synclink.h	8.71 KB
sysctl.h	25.46 KB
sysinfo.h	986 B
target_core_user.h	3.65 KB
taskstats.h	6.83 KB
tc_act	-
tc_ematch	-
tcp.h	5.93 KB
tcp_metrics.h	1.45 KB
telephony.h	8.84 KB
termios.h	443 B
time.h	1.54 KB
times.h	215 B
timex.h	6.17 KB
tiocl.h	1.63 KB
tipc.h	5.44 KB
tipc_config.h	14.1 KB
toshiba.h	1.24 KB
tty.h	1.33 KB
tty_flags.h	3.66 KB
types.h	1.4 KB
udf_fs_i.h	634 B
udp.h	1.28 KB
uhid.h	2.15 KB
uinput.h	5 KB
uio.h	668 B
ultrasound.h	4.39 KB
un.h	239 B
unistd.h	157 B
unix_diag.h	1.1 KB
usb	-
usbdevice_fs.h	6.56 KB
userfaultfd.h	6.59 KB
utime.h	152 B
utsname.h	606 B
uuid.h	1.5 KB
uvcvideo.h	1.6 KB
v4l2-common.h	2.38 KB
v4l2-controls.h	37.34 KB
v4l2-dv-timings.h	25.75 KB
v4l2-mediabus.h	4.55 KB
v4l2-subdev.h	5.27 KB
version.h	255 B
veth.h	402 B
vfio.h	24.12 KB
vhost.h	7.13 KB
videodev2.h	67.41 KB
virtio_9p.h	1.99 KB
virtio_balloon.h	3.71 KB
virtio_blk.h	5.2 KB
virtio_config.h	3.24 KB
virtio_console.h	2.94 KB
virtio_gpu.h	7.84 KB
virtio_ids.h	2.32 KB
virtio_input.h	2.45 KB
virtio_net.h	9.4 KB
virtio_pci.h	6.63 KB
virtio_ring.h	6.18 KB
virtio_rng.h	265 B
virtio_scsi.h	5.13 KB
virtio_types.h	2.11 KB
virtio_vsock.h	3.01 KB
vm_sockets.h	5.13 KB
vsockmon.h	1.78 KB
vt.h	3.05 KB
vtpm_proxy.h	1.62 KB
vzcalluser.h	4.11 KB
vzctl_netstat.h	2.56 KB
vzctl_venet.h	641 B
vzctl_veth.h	758 B
vziptable_defs.h	3.03 KB
vzlist.h	845 B
wait.h	600 B
wanrouter.h	390 B
watchdog.h	2.22 KB
wimax	-
wimax.h	8.17 KB
wireless.h	41.65 KB
x25.h	3.42 KB
xattr.h	2.53 KB
xfrm.h	11 KB

Edit: in.h

/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Definitions of the Internet Protocol.
 *
 * Version:	@(#)in.h	1.0.1	04/21/93
 *
 * Authors:	Original taken from the GNU Project <netinet/in.h> file.
 *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */
#ifndef _LINUX_IN_H
#define _LINUX_IN_H

#include <linux/types.h>
#include <linux/socket.h>

/* Standard well-defined IP protocols.  */
enum {
  IPPROTO_IP = 0,		/* Dummy protocol for TCP		*/
#define IPPROTO_IP		IPPROTO_IP
  IPPROTO_ICMP = 1,		/* Internet Control Message Protocol	*/
#define IPPROTO_ICMP		IPPROTO_ICMP
  IPPROTO_IGMP = 2,		/* Internet Group Management Protocol	*/
#define IPPROTO_IGMP		IPPROTO_IGMP
  IPPROTO_IPIP = 4,		/* IPIP tunnels (older KA9Q tunnels use 94) */
#define IPPROTO_IPIP		IPPROTO_IPIP
  IPPROTO_TCP = 6,		/* Transmission Control Protocol	*/
#define IPPROTO_TCP		IPPROTO_TCP
  IPPROTO_EGP = 8,		/* Exterior Gateway Protocol		*/
#define IPPROTO_EGP		IPPROTO_EGP
  IPPROTO_PUP = 12,		/* PUP protocol				*/
#define IPPROTO_PUP		IPPROTO_PUP
  IPPROTO_UDP = 17,		/* User Datagram Protocol		*/
#define IPPROTO_UDP		IPPROTO_UDP
  IPPROTO_IDP = 22,		/* XNS IDP protocol			*/
#define IPPROTO_IDP		IPPROTO_IDP
  IPPROTO_TP = 29,		/* SO Transport Protocol Class 4	*/
#define IPPROTO_TP		IPPROTO_TP
  IPPROTO_DCCP = 33,		/* Datagram Congestion Control Protocol */
#define IPPROTO_DCCP		IPPROTO_DCCP
  IPPROTO_IPV6 = 41,		/* IPv6-in-IPv4 tunnelling		*/
#define IPPROTO_IPV6		IPPROTO_IPV6
  IPPROTO_RSVP = 46,		/* RSVP Protocol			*/
#define IPPROTO_RSVP		IPPROTO_RSVP
  IPPROTO_GRE = 47,		/* Cisco GRE tunnels (rfc 1701,1702)	*/
#define IPPROTO_GRE		IPPROTO_GRE
  IPPROTO_ESP = 50,		/* Encapsulation Security Payload protocol */
#define IPPROTO_ESP		IPPROTO_ESP
  IPPROTO_AH = 51,		/* Authentication Header protocol	*/
#define IPPROTO_AH		IPPROTO_AH
  IPPROTO_MTP = 92,		/* Multicast Transport Protocol		*/
#define IPPROTO_MTP		IPPROTO_MTP
  IPPROTO_BEETPH = 94,		/* IP option pseudo header for BEET	*/
#define IPPROTO_BEETPH		IPPROTO_BEETPH
  IPPROTO_ENCAP = 98,		/* Encapsulation Header			*/
#define IPPROTO_ENCAP		IPPROTO_ENCAP
  IPPROTO_PIM = 103,		/* Protocol Independent Multicast	*/
#define IPPROTO_PIM		IPPROTO_PIM
  IPPROTO_COMP = 108,		/* Compression Header Protocol		*/
#define IPPROTO_COMP		IPPROTO_COMP
  IPPROTO_SCTP = 132,		/* Stream Control Transport Protocol	*/
#define IPPROTO_SCTP		IPPROTO_SCTP
  IPPROTO_UDPLITE = 136,	/* UDP-Lite (RFC 3828)			*/
#define IPPROTO_UDPLITE		IPPROTO_UDPLITE
  IPPROTO_MPLS = 137,		/* MPLS in IP (RFC 4023)		*/
#define IPPROTO_MPLS		IPPROTO_MPLS
  IPPROTO_RAW = 255,		/* Raw IP packets			*/
#define IPPROTO_RAW		IPPROTO_RAW
  IPPROTO_MAX
};

/* Internet address. */
struct in_addr {
	__be32	s_addr;
};

#define IP_TOS		1
#define IP_TTL		2
#define IP_HDRINCL	3
#define IP_OPTIONS	4
#define IP_ROUTER_ALERT	5
#define IP_RECVOPTS	6
#define IP_RETOPTS	7
#define IP_PKTINFO	8
#define IP_PKTOPTIONS	9
#define IP_MTU_DISCOVER	10
#define IP_RECVERR	11
#define IP_RECVTTL	12
#define	IP_RECVTOS	13
#define IP_MTU		14
#define IP_FREEBIND	15
#define IP_IPSEC_POLICY	16
#define IP_XFRM_POLICY	17
#define IP_PASSSEC	18
#define IP_TRANSPARENT	19

/* BSD compatibility */
#define IP_RECVRETOPTS	IP_RETOPTS

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

#define IP_MINTTL       21
#define IP_NODEFRAG     22

#define IP_BIND_ADDRESS_NO_PORT	24

/* IP_MTU_DISCOVER values */
#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
/* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get
 * fragmented if they exeed the interface mtu
 */
#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 MCAST_JOIN_GROUP		42
#define MCAST_BLOCK_SOURCE		43
#define MCAST_UNBLOCK_SOURCE		44
#define MCAST_LEAVE_GROUP		45
#define MCAST_JOIN_SOURCE_GROUP		46
#define MCAST_LEAVE_SOURCE_GROUP	47
#define MCAST_MSFILTER			48
#define IP_MULTICAST_ALL		49
#define IP_UNICAST_IF			50

#define MCAST_EXCLUDE	0
#define MCAST_INCLUDE	1

/* These need to appear somewhere around here */
#define IP_DEFAULT_MULTICAST_TTL        1
#define IP_DEFAULT_MULTICAST_LOOP       1

/* Request struct for multicast socket ops */

struct ip_mreq  {
	struct in_addr imr_multiaddr;	/* IP multicast address of group */
	struct in_addr imr_interface;	/* local IP address of interface */
};

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 */
};

struct ip_mreq_source {
	__be32		imr_multiaddr;
	__be32		imr_interface;
	__be32		imr_sourceaddr;
};

struct ip_msfilter {
	__be32		imsf_multiaddr;
	__be32		imsf_interface;
	__u32		imsf_fmode;
	__u32		imsf_numsrc;
	__be32		imsf_slist[1];
};

#define IP_MSFILTER_SIZE(numsrc) \
	(sizeof(struct ip_msfilter) - sizeof(__u32) \
	+ (numsrc) * sizeof(__u32))

struct group_req {
	__u32				 gr_interface;	/* interface index */
	struct __kernel_sockaddr_storage gr_group;	/* group address */
};

struct group_source_req {
	__u32				 gsr_interface;	/* interface index */
	struct __kernel_sockaddr_storage gsr_group;	/* group address */
	struct __kernel_sockaddr_storage gsr_source;	/* source address */
};

struct group_filter {
	__u32				 gf_interface;	/* interface index */
	struct __kernel_sockaddr_storage gf_group;	/* multicast address */
	__u32				 gf_fmode;	/* filter mode */
	__u32				 gf_numsrc;	/* number of sources */
	struct __kernel_sockaddr_storage gf_slist[1];	/* interface index */
};

#define GROUP_FILTER_SIZE(numsrc) \
	(sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
	+ (numsrc) * sizeof(struct __kernel_sockaddr_storage))

struct in_pktinfo {
	int		ipi_ifindex;
	struct in_addr	ipi_spec_dst;
	struct in_addr	ipi_addr;
};

/* Structure describing an Internet (IP) socket address. */
#define __SOCK_SIZE__	16		/* sizeof(struct sockaddr)	*/
struct sockaddr_in {
  __kernel_sa_family_t	sin_family;	/* Address family		*/
  __be16		sin_port;	/* Port number			*/
  struct in_addr	sin_addr;	/* Internet address		*/

/* Pad to size of `struct sockaddr'. */
  unsigned char		__pad[__SOCK_SIZE__ - sizeof(short int) -
			sizeof(unsigned short int) - sizeof(struct in_addr)];
};
#define sin_zero	__pad		/* for BSD UNIX comp. -FvK	*/

/*
 * Definitions of the bits in an Internet address integer.
 * On subnets, host and network parts are found according
 * to the subnet mask, not these masks.
 */
#define	IN_CLASSA(a)		((((long int) (a)) & 0x80000000) == 0)
#define	IN_CLASSA_NET		0xff000000
#define	IN_CLASSA_NSHIFT	24
#define	IN_CLASSA_HOST		(0xffffffff & ~IN_CLASSA_NET)
#define	IN_CLASSA_MAX		128

#define	IN_CLASSB(a)		((((long int) (a)) & 0xc0000000) == 0x80000000)
#define	IN_CLASSB_NET		0xffff0000
#define	IN_CLASSB_NSHIFT	16
#define	IN_CLASSB_HOST		(0xffffffff & ~IN_CLASSB_NET)
#define	IN_CLASSB_MAX		65536

#define	IN_CLASSC(a)		((((long int) (a)) & 0xe0000000) == 0xc0000000)
#define	IN_CLASSC_NET		0xffffff00
#define	IN_CLASSC_NSHIFT	8
#define	IN_CLASSC_HOST		(0xffffffff & ~IN_CLASSC_NET)

#define	IN_CLASSD(a)		((((long int) (a)) & 0xf0000000) == 0xe0000000)
#define	IN_MULTICAST(a)		IN_CLASSD(a)
#define IN_MULTICAST_NET	0xF0000000

#define	IN_EXPERIMENTAL(a)	((((long int) (a)) & 0xf0000000) == 0xf0000000)
#define	IN_BADCLASS(a)		IN_EXPERIMENTAL((a))

/* Address to accept any incoming messages. */
#define	INADDR_ANY		((unsigned long int) 0x00000000)

/* Address to send to all hosts. */
#define	INADDR_BROADCAST	((unsigned long int) 0xffffffff)

/* Address indicating an error return. */
#define	INADDR_NONE		((unsigned long int) 0xffffffff)

/* Network number for local host loopback. */
#define	IN_LOOPBACKNET		127

/* Address to loopback in software to local host.  */
#define	INADDR_LOOPBACK		0x7f000001	/* 127.0.0.1   */
#define	IN_LOOPBACK(a)		((((long int) (a)) & 0xff000000) == 0x7f000000)

/* Defines for Multicast INADDR */
#define INADDR_UNSPEC_GROUP   	0xe0000000U	/* 224.0.0.0   */
#define INADDR_ALLHOSTS_GROUP 	0xe0000001U	/* 224.0.0.1   */
#define INADDR_ALLRTRS_GROUP    0xe0000002U	/* 224.0.0.2 */
#define INADDR_MAX_LOCAL_GROUP  0xe00000ffU	/* 224.0.0.255 */

/* <asm/byteorder.h> contains the htonl type stuff.. */
#include <asm/byteorder.h>

#endif /* _LINUX_IN_H */