Module: Socket::Constants

Relationships & Source Files
Defined in:	ext/socket/constdefs.c

Overview

Constants provides socket-related constants. All possible socket constants are listed in the documentation but they may not all be present on your platform.

If the underlying platform doesn’t define a constant the corresponding Ruby constant is not defined.

Constant Summary

AF_ALG =

Interface to kernel crypto API

# File 'ext/socket/constdefs.c', line 3160
```
INTEGER2NUM(AF_ALG)
```
AF_APPLETALK =

AppleTalk protocol

# File 'ext/socket/constdefs.c', line 2632
```
INTEGER2NUM(AF_APPLETALK)
```
AF_ATM =

Asynchronous Transfer Mode

# File 'ext/socket/constdefs.c', line 2968
```
INTEGER2NUM(AF_ATM)
```
AF_AX25 =

AX.25 protocol

# File 'ext/socket/constdefs.c', line 2608
```
INTEGER2NUM(AF_AX25)
```
AF_BLUETOOTH =

Bluetooth low-level socket protocol

# File 'ext/socket/constdefs.c', line 3148
```
INTEGER2NUM(AF_BLUETOOTH)
```
AF_CAN =

Controller Area Network automotive bus protocol

# File 'ext/socket/constdefs.c', line 3124
```
INTEGER2NUM(AF_CAN)
```
AF_CCITT =

CCITT (now ITU-T) protocols

# File 'ext/socket/constdefs.c', line 2752
```
INTEGER2NUM(AF_CCITT)
```
AF_CHAOS =

MIT CHAOS protocols

# File 'ext/socket/constdefs.c', line 2680
```
INTEGER2NUM(AF_CHAOS)
```
AF_CNT =

Computer Network Technology

# File 'ext/socket/constdefs.c', line 2872
```
INTEGER2NUM(AF_CNT)
```
AF_COIP =

Connection-oriented IP

# File 'ext/socket/constdefs.c', line 2860
```
INTEGER2NUM(AF_COIP)
```
AF_DATAKIT =

Datakit protocol

# File 'ext/socket/constdefs.c', line 2740
```
INTEGER2NUM(AF_DATAKIT)
```
AF_DEC =

DECnet protocol

# File 'ext/socket/constdefs.c', line 2776
```
INTEGER2NUM(AF_DEC)
```
AF_DECnet =

DECnet protocol

# File 'ext/socket/constdefs.c', line 2788
```
INTEGER2NUM(AF_DECnet)
```
AF_DLI =

DEC Direct Data Link Interface protocol

# File 'ext/socket/constdefs.c', line 2800
```
INTEGER2NUM(AF_DLI)
```
AF_E164 =

CCITT (ITU-T) E.164 recommendation

# File 'ext/socket/constdefs.c', line 3016
```
INTEGER2NUM(AF_E164)
```
AF_ECMA =

European Computer Manufacturers protocols

# File 'ext/socket/constdefs.c', line 2728
```
INTEGER2NUM(AF_ECMA)
```
AF_HYLINK =

NSC Hyperchannel protocol

# File 'ext/socket/constdefs.c', line 2824
```
INTEGER2NUM(AF_HYLINK)
```
AF_IB =

InfiniBand native addressing

# File 'ext/socket/constdefs.c', line 3100
```
INTEGER2NUM(AF_IB)
```
AF_IMPLINK =

ARPANET IMP protocol

# File 'ext/socket/constdefs.c', line 2656
```
INTEGER2NUM(AF_IMPLINK)
```
AF_INET =

IPv4 protocol

# File 'ext/socket/constdefs.c', line 2568
```
INTEGER2NUM(AF_INET)
```
AF_INET6 =

IPv6 protocol

# File 'ext/socket/constdefs.c', line 2581
```
INTEGER2NUM(AF_INET6)
```
AF_IPX =

IPX protocol

# File 'ext/socket/constdefs.c', line 2620
```
INTEGER2NUM(AF_IPX)
```
AF_ISDN =

Integrated Services Digital Network

# File 'ext/socket/constdefs.c', line 2908
```
INTEGER2NUM(AF_ISDN)
```
AF_ISO =

ISO Open Systems Interconnection protocols

# File 'ext/socket/constdefs.c', line 2704
```
INTEGER2NUM(AF_ISO)
```
AF_KCM =

KCM (kernel connection multiplexor) interface

# File 'ext/socket/constdefs.c', line 3184
```
INTEGER2NUM(AF_KCM)
```
AF_KEY =

Key management protocol, originally developed for usage with IPsec

# File 'ext/socket/constdefs.c', line 3040
```
INTEGER2NUM(AF_KEY)
```
AF_LAT =

Local Area Transport protocol

# File 'ext/socket/constdefs.c', line 2812
```
INTEGER2NUM(AF_LAT)
```
AF_LINK =

Link layer interface

# File 'ext/socket/constdefs.c', line 2848
```
INTEGER2NUM(AF_LINK)
```
AF_LLC =

Logical link control (IEEE 802.2 LLC) protocol

# File 'ext/socket/constdefs.c', line 3088
```
INTEGER2NUM(AF_LLC)
```
AF_LOCAL =

Host-internal protocols

# File 'ext/socket/constdefs.c', line 2644
```
INTEGER2NUM(AF_LOCAL)
```
AF_MAX =

Maximum address family for this platform

# File 'ext/socket/constdefs.c', line 2992
```
INTEGER2NUM(AF_MAX)
```
AF_MPLS =

Multiprotocol Label Switching

# File 'ext/socket/constdefs.c', line 3112
```
INTEGER2NUM(AF_MPLS)
```
AF_NATM =

Native ATM access

# File 'ext/socket/constdefs.c', line 2920
```
INTEGER2NUM(AF_NATM)
```
AF_NDRV =

Network driver raw access

# File 'ext/socket/constdefs.c', line 2896
```
INTEGER2NUM(AF_NDRV)
```
AF_NETBIOS =

NetBIOS

# File 'ext/socket/constdefs.c', line 2944
```
INTEGER2NUM(AF_NETBIOS)
```
AF_NETGRAPH =

Netgraph sockets

# File 'ext/socket/constdefs.c', line 2980
```
INTEGER2NUM(AF_NETGRAPH)
```
AF_NETLINK =

Kernel user interface device

# File 'ext/socket/constdefs.c', line 3052
```
INTEGER2NUM(AF_NETLINK)
```
AF_NS =

XEROX NS protocols

# File 'ext/socket/constdefs.c', line 2692
```
INTEGER2NUM(AF_NS)
```
AF_OSI =

ISO Open Systems Interconnection protocols

# File 'ext/socket/constdefs.c', line 2716
```
INTEGER2NUM(AF_OSI)
```
AF_PACKET =

Direct link-layer access

# File 'ext/socket/constdefs.c', line 3004
```
INTEGER2NUM(AF_PACKET)
```
AF_PPP =

Point-to-Point Protocol

# File 'ext/socket/constdefs.c', line 2956
```
INTEGER2NUM(AF_PPP)
```
AF_PPPOX =

Generic PPP transport layer, for setting up L2 tunnels (L2TP and PPPoE)

# File 'ext/socket/constdefs.c', line 3076
```
INTEGER2NUM(AF_PPPOX)
```
AF_PUP =

PARC Universal Packet protocol

# File 'ext/socket/constdefs.c', line 2668
```
INTEGER2NUM(AF_PUP)
```
AF_RDS =

Reliable Datagram Sockets (RDS) protocol

# File 'ext/socket/constdefs.c', line 3064
```
INTEGER2NUM(AF_RDS)
```
AF_ROUTE =

Internal routing protocol

# File 'ext/socket/constdefs.c', line 2836
```
INTEGER2NUM(AF_ROUTE)
```
AF_SIP =

Simple Internet Protocol

# File 'ext/socket/constdefs.c', line 2884
```
INTEGER2NUM(AF_SIP)
```
AF_SNA =

IBM SNA protocol

# File 'ext/socket/constdefs.c', line 2764
```
INTEGER2NUM(AF_SNA)
```
AF_SYSTEM =

Kernel event messages

# File 'ext/socket/constdefs.c', line 2932
```
INTEGER2NUM(AF_SYSTEM)
```
AF_TIPC =

TIPC, “cluster domain sockets” protocol

# File 'ext/socket/constdefs.c', line 3136
```
INTEGER2NUM(AF_TIPC)
```
AF_UNIX =

UNIX sockets

# File 'ext/socket/constdefs.c', line 2596
```
INTEGER2NUM(AF_UNIX)
```
AF_UNSPEC =

Unspecified protocol, any supported address family

# File 'ext/socket/constdefs.c', line 2556
```
INTEGER2NUM(AF_UNSPEC)
```
AF_VSOCK =

VSOCK (originally “VMWare VSockets”) protocol for hypervisor-guest communication

# File 'ext/socket/constdefs.c', line 3172
```
INTEGER2NUM(AF_VSOCK)
```
AF_XDP =

XDP (express data path) interface

# File 'ext/socket/constdefs.c', line 3196
```
INTEGER2NUM(AF_XDP)
```
AI_ADDRCONFIG =

Accept only if any address is assigned

# File 'ext/socket/constdefs.c', line 4648
```
INTEGER2NUM(AI_ADDRCONFIG)
```
AI_ALL =

Allow all addresses

# File 'ext/socket/constdefs.c', line 4636
```
INTEGER2NUM(AI_ALL)
```
AI_CANONNAME =

Fill in the canonical name

# File 'ext/socket/constdefs.c', line 4612
```
INTEGER2NUM(AI_CANONNAME)
```
AI_DEFAULT =

Default flags for getaddrinfo

# File 'ext/socket/constdefs.c', line 4660
```
INTEGER2NUM(AI_DEFAULT)
```
AI_MASK =

Valid flag mask for getaddrinfo (not for application use)

# File 'ext/socket/constdefs.c', line 4630
```
INTEGER2NUM(AI_MASK)
```
AI_NUMERICHOST =

Prevent host name resolution

# File 'ext/socket/constdefs.c', line 4618
```
INTEGER2NUM(AI_NUMERICHOST)
```
AI_NUMERICSERV =

Prevent service name resolution

# File 'ext/socket/constdefs.c', line 4624
```
INTEGER2NUM(AI_NUMERICSERV)
```
AI_PASSIVE =

Get address to use with bind()

# File 'ext/socket/constdefs.c', line 4606
```
INTEGER2NUM(AI_PASSIVE)
```
AI_V4MAPPED =

Accept IPv4-mapped IPv6 addresses

# File 'ext/socket/constdefs.c', line 4654
```
INTEGER2NUM(AI_V4MAPPED)
```
AI_V4MAPPED_CFG =

Accept IPv4 mapped addresses if the kernel supports it

# File 'ext/socket/constdefs.c', line 4642
```
INTEGER2NUM(AI_V4MAPPED_CFG)
```
EAI_ADDRFAMILY =

Address family for hostname not supported

# File 'ext/socket/constdefs.c', line 4516
```
INTEGER2NUM(EAI_ADDRFAMILY)
```
EAI_AGAIN =

Temporary failure in name resolution

# File 'ext/socket/constdefs.c', line 4522
```
INTEGER2NUM(EAI_AGAIN)
```
EAI_BADFLAGS =

Invalid flags

# File 'ext/socket/constdefs.c', line 4528
```
INTEGER2NUM(EAI_BADFLAGS)
```
EAI_BADHINTS =

Invalid value for hints

# File 'ext/socket/constdefs.c', line 4588
```
INTEGER2NUM(EAI_BADHINTS)
```
EAI_FAIL =

Non-recoverable failure in name resolution

# File 'ext/socket/constdefs.c', line 4534
```
INTEGER2NUM(EAI_FAIL)
```
EAI_FAMILY =

Address family not supported

# File 'ext/socket/constdefs.c', line 4540
```
INTEGER2NUM(EAI_FAMILY)
```
EAI_MAX =

Maximum error code from getaddrinfo

# File 'ext/socket/constdefs.c', line 4600
```
INTEGER2NUM(EAI_MAX)
```
EAI_MEMORY =

Memory allocation failure

# File 'ext/socket/constdefs.c', line 4546
```
INTEGER2NUM(EAI_MEMORY)
```
EAI_NODATA =

No address associated with hostname

# File 'ext/socket/constdefs.c', line 4552
```
INTEGER2NUM(EAI_NODATA)
```
EAI_NONAME =

Hostname nor servname, or not known

# File 'ext/socket/constdefs.c', line 4558
```
INTEGER2NUM(EAI_NONAME)
```
EAI_OVERFLOW =

Argument buffer overflow

# File 'ext/socket/constdefs.c', line 4564
```
INTEGER2NUM(EAI_OVERFLOW)
```
EAI_PROTOCOL =

Resolved protocol is unknown

# File 'ext/socket/constdefs.c', line 4594
```
INTEGER2NUM(EAI_PROTOCOL)
```
EAI_SERVICE =

Servname not supported for socket type

# File 'ext/socket/constdefs.c', line 4570
```
INTEGER2NUM(EAI_SERVICE)
```
EAI_SOCKTYPE =

Socket type not supported

# File 'ext/socket/constdefs.c', line 4576
```
INTEGER2NUM(EAI_SOCKTYPE)
```
EAI_SYSTEM =

System error returned in errno

# File 'ext/socket/constdefs.c', line 4582
```
INTEGER2NUM(EAI_SYSTEM)
```
IFF_802_1Q_VLAN =

802.1Q VLAN device

# File 'ext/socket/constdefs.c', line 5060
```
INTEGER2NUM(IFF_802_1Q_VLAN)
```
IFF_ALLMULTI =

receive all multicast packets

# File 'ext/socket/constdefs.c', line 5066
```
INTEGER2NUM(IFF_ALLMULTI)
```
IFF_ALTPHYS =

use alternate physical connection

# File 'ext/socket/constdefs.c', line 5072
```
INTEGER2NUM(IFF_ALTPHYS)
```
IFF_AUTOMEDIA =

auto media select active

# File 'ext/socket/constdefs.c', line 5078
```
INTEGER2NUM(IFF_AUTOMEDIA)
```
IFF_BONDING =

bonding master or slave

# File 'ext/socket/constdefs.c', line 5084
```
INTEGER2NUM(IFF_BONDING)
```
IFF_BRIDGE_PORT =

device used as bridge port

# File 'ext/socket/constdefs.c', line 5090
```
INTEGER2NUM(IFF_BRIDGE_PORT)
```
IFF_BROADCAST =

broadcast address valid

# File 'ext/socket/constdefs.c', line 5096
```
INTEGER2NUM(IFF_BROADCAST)
```
IFF_CANTCHANGE =

flags not changeable

# File 'ext/socket/constdefs.c', line 5402
```
INTEGER2NUM(IFF_CANTCHANGE)
```
IFF_CANTCONFIG =

unconfigurable using ioctl(2)

# File 'ext/socket/constdefs.c', line 5102
```
INTEGER2NUM(IFF_CANTCONFIG)
```
IFF_DEBUG =

turn on debugging

# File 'ext/socket/constdefs.c', line 5108
```
INTEGER2NUM(IFF_DEBUG)
```
IFF_DISABLE_NETPOLL =

disable netpoll at run-time

# File 'ext/socket/constdefs.c', line 5114
```
INTEGER2NUM(IFF_DISABLE_NETPOLL)
```
IFF_DONT_BRIDGE =

disallow bridging this ether dev

# File 'ext/socket/constdefs.c', line 5120
```
INTEGER2NUM(IFF_DONT_BRIDGE)
```
IFF_DORMANT =

driver signals dormant

# File 'ext/socket/constdefs.c', line 5126
```
INTEGER2NUM(IFF_DORMANT)
```
IFF_DRV_OACTIVE =

tx hardware queue is full

# File 'ext/socket/constdefs.c', line 5132
```
INTEGER2NUM(IFF_DRV_OACTIVE)
```
IFF_DRV_RUNNING =

resources allocated

# File 'ext/socket/constdefs.c', line 5138
```
INTEGER2NUM(IFF_DRV_RUNNING)
```
IFF_DYING =

interface is winding down

# File 'ext/socket/constdefs.c', line 5144
```
INTEGER2NUM(IFF_DYING)
```
IFF_DYNAMIC =

dialup device with changing addresses

# File 'ext/socket/constdefs.c', line 5150
```
INTEGER2NUM(IFF_DYNAMIC)
```
IFF_EBRIDGE =

ethernet bridging device

# File 'ext/socket/constdefs.c', line 5156
```
INTEGER2NUM(IFF_EBRIDGE)
```
IFF_ECHO =

echo sent packets

# File 'ext/socket/constdefs.c', line 5162
```
INTEGER2NUM(IFF_ECHO)
```
IFF_ISATAP =

ISATAP interface (RFC4214)

# File 'ext/socket/constdefs.c', line 5168
```
INTEGER2NUM(IFF_ISATAP)
```
IFF_LINK0 =

per link layer defined bit 0

# File 'ext/socket/constdefs.c', line 5174
```
INTEGER2NUM(IFF_LINK0)
```
IFF_LINK1 =

per link layer defined bit 1

# File 'ext/socket/constdefs.c', line 5180
```
INTEGER2NUM(IFF_LINK1)
```
IFF_LINK2 =

per link layer defined bit 2

# File 'ext/socket/constdefs.c', line 5186
```
INTEGER2NUM(IFF_LINK2)
```
IFF_LIVE_ADDR_CHANGE =

hardware address change when it’s running

# File 'ext/socket/constdefs.c', line 5192
```
INTEGER2NUM(IFF_LIVE_ADDR_CHANGE)
```
IFF_LOOPBACK =

loopback net

# File 'ext/socket/constdefs.c', line 5198
```
INTEGER2NUM(IFF_LOOPBACK)
```
IFF_LOWER_UP =

driver signals L1 up

# File 'ext/socket/constdefs.c', line 5204
```
INTEGER2NUM(IFF_LOWER_UP)
```
IFF_MACVLAN_PORT =

device used as macvlan port

# File 'ext/socket/constdefs.c', line 5210
```
INTEGER2NUM(IFF_MACVLAN_PORT)
```
IFF_MASTER =

master of a load balancer

# File 'ext/socket/constdefs.c', line 5216
```
INTEGER2NUM(IFF_MASTER)
```
IFF_MASTER_8023AD =

bonding master, 802.3ad.

# File 'ext/socket/constdefs.c', line 5222
```
INTEGER2NUM(IFF_MASTER_8023AD)
```
IFF_MASTER_ALB =

bonding master, balance-alb.

# File 'ext/socket/constdefs.c', line 5228
```
INTEGER2NUM(IFF_MASTER_ALB)
```
IFF_MASTER_ARPMON =

bonding master, ARP mon in use

# File 'ext/socket/constdefs.c', line 5234
```
INTEGER2NUM(IFF_MASTER_ARPMON)
```
IFF_MONITOR =

user-requested monitor mode

# File 'ext/socket/constdefs.c', line 5240
```
INTEGER2NUM(IFF_MONITOR)
```
IFF_MULTICAST =

supports multicast

# File 'ext/socket/constdefs.c', line 5246
```
INTEGER2NUM(IFF_MULTICAST)
```
IFF_NOARP =

no address resolution protocol

# File 'ext/socket/constdefs.c', line 5252
```
INTEGER2NUM(IFF_NOARP)
```
IFF_NOTRAILERS =

avoid use of trailers

# File 'ext/socket/constdefs.c', line 5258
```
INTEGER2NUM(IFF_NOTRAILERS)
```
IFF_OACTIVE =

transmission in progress

# File 'ext/socket/constdefs.c', line 5264
```
INTEGER2NUM(IFF_OACTIVE)
```
IFF_OVS_DATAPATH =

device used as Open vSwitch datapath port

# File 'ext/socket/constdefs.c', line 5270
```
INTEGER2NUM(IFF_OVS_DATAPATH)
```
IFF_POINTOPOINT =

point-to-point link

# File 'ext/socket/constdefs.c', line 5276
```
INTEGER2NUM(IFF_POINTOPOINT)
```
IFF_PORTSEL =

can set media type

# File 'ext/socket/constdefs.c', line 5282
```
INTEGER2NUM(IFF_PORTSEL)
```
IFF_PPROMISC =

user-requested promisc mode

# File 'ext/socket/constdefs.c', line 5288
```
INTEGER2NUM(IFF_PPROMISC)
```
IFF_PROMISC =

receive all packets

# File 'ext/socket/constdefs.c', line 5294
```
INTEGER2NUM(IFF_PROMISC)
```
IFF_RENAMING =

interface is being renamed

# File 'ext/socket/constdefs.c', line 5300
```
INTEGER2NUM(IFF_RENAMING)
```
IFF_ROUTE =

routing entry installed

# File 'ext/socket/constdefs.c', line 5306
```
INTEGER2NUM(IFF_ROUTE)
```
IFF_RUNNING =

resources allocated

# File 'ext/socket/constdefs.c', line 5312
```
INTEGER2NUM(IFF_RUNNING)
```
IFF_SIMPLEX =

can’t hear own transmissions

# File 'ext/socket/constdefs.c', line 5318
```
INTEGER2NUM(IFF_SIMPLEX)
```
IFF_SLAVE =

slave of a load balancer

# File 'ext/socket/constdefs.c', line 5324
```
INTEGER2NUM(IFF_SLAVE)
```
IFF_SLAVE_INACTIVE =

bonding slave not the curr. active

# File 'ext/socket/constdefs.c', line 5330
```
INTEGER2NUM(IFF_SLAVE_INACTIVE)
```
IFF_SLAVE_NEEDARP =

need ARPs for validation

# File 'ext/socket/constdefs.c', line 5336
```
INTEGER2NUM(IFF_SLAVE_NEEDARP)
```
IFF_SMART =

interface manages own routes

# File 'ext/socket/constdefs.c', line 5342
```
INTEGER2NUM(IFF_SMART)
```
IFF_STATICARP =

static ARP

# File 'ext/socket/constdefs.c', line 5348
```
INTEGER2NUM(IFF_STATICARP)
```
IFF_SUPP_NOFCS =

sending custom FCS

# File 'ext/socket/constdefs.c', line 5354
```
INTEGER2NUM(IFF_SUPP_NOFCS)
```
IFF_TEAM_PORT =

used as team port

# File 'ext/socket/constdefs.c', line 5360
```
INTEGER2NUM(IFF_TEAM_PORT)
```
IFF_TX_SKB_SHARING =

sharing skbs on transmit

# File 'ext/socket/constdefs.c', line 5366
```
INTEGER2NUM(IFF_TX_SKB_SHARING)
```
IFF_UNICAST_FLT =

unicast filtering

# File 'ext/socket/constdefs.c', line 5372
```
INTEGER2NUM(IFF_UNICAST_FLT)
```
IFF_UP =

interface is up

# File 'ext/socket/constdefs.c', line 5378
```
INTEGER2NUM(IFF_UP)
```
IFF_VOLATILE =

volatile flags

# File 'ext/socket/constdefs.c', line 5396
```
INTEGER2NUM(IFF_VOLATILE)
```
IFF_WAN_HDLC =

WAN HDLC device

# File 'ext/socket/constdefs.c', line 5384
```
INTEGER2NUM(IFF_WAN_HDLC)
```
IFF_XMIT_DST_RELEASE =

dev_hard_start_xmit() is allowed to release skb->dst

# File 'ext/socket/constdefs.c', line 5390
```
INTEGER2NUM(IFF_XMIT_DST_RELEASE)
```
IFNAMSIZ =

Maximum interface name size

# File 'ext/socket/constdefs.c', line 4970
```
INTEGER2NUM(IFNAMSIZ)
```
IF_NAMESIZE =

Maximum interface name size

# File 'ext/socket/constdefs.c', line 4976
```
INTEGER2NUM(IF_NAMESIZE)
```
INADDR_ALLHOSTS_GROUP =

Multicast group for all systems on this subset

# File 'ext/socket/constdefs.c', line 3586
```
INTEGER2NUM(INADDR_ALLHOSTS_GROUP)
```
INADDR_ANY =

A socket bound to INADDR_ANY receives packets from all interfaces and sends from the default IP address

# File 'ext/socket/constdefs.c', line 3562
```
INTEGER2NUM(INADDR_ANY)
```
INADDR_BROADCAST =

The network broadcast address

# File 'ext/socket/constdefs.c', line 3568
```
INTEGER2NUM(INADDR_BROADCAST)
```
INADDR_LOOPBACK =

The loopback address

# File 'ext/socket/constdefs.c', line 3574
```
INTEGER2NUM(INADDR_LOOPBACK)
```
INADDR_MAX_LOCAL_GROUP =

The last local network multicast group

# File 'ext/socket/constdefs.c', line 3592
```
INTEGER2NUM(INADDR_MAX_LOCAL_GROUP)
```
INADDR_NONE =

A bitmask for matching no valid IP address

# File 'ext/socket/constdefs.c', line 3598
```
INTEGER2NUM(INADDR_NONE)
```
INADDR_UNSPEC_GROUP =

The reserved multicast group

# File 'ext/socket/constdefs.c', line 3580
```
INTEGER2NUM(INADDR_UNSPEC_GROUP)
```
INET6_ADDRSTRLEN =

Maximum length of an IPv6 address string

# File 'ext/socket/constdefs.c', line 4964
```
INTEGER2NUM(INET6_ADDRSTRLEN)
```
INET_ADDRSTRLEN =

Maximum length of an IPv4 address string

# File 'ext/socket/constdefs.c', line 4958
```
INTEGER2NUM(INET_ADDRSTRLEN)
```
IPPORT_RESERVED =

Default minimum address for bind or connect

# File 'ext/socket/constdefs.c', line 3550
```
INTEGER2NUM(IPPORT_RESERVED)
```
IPPORT_USERRESERVED =

Default maximum address for bind or connect

# File 'ext/socket/constdefs.c', line 3556
```
INTEGER2NUM(IPPORT_USERRESERVED)
```
IPPROTO_AH =

IP6 auth header

# File 'ext/socket/constdefs.c', line 3484
```
INTEGER2NUM(IPPROTO_AH)
```
IPPROTO_BIP =

IPPROTO_BIP

# File 'ext/socket/constdefs.c', line 3478
```
INTEGER2NUM(IPPROTO_BIP)
```
IPPROTO_DSTOPTS =

IP6 destination option

# File 'ext/socket/constdefs.c', line 3490
```
INTEGER2NUM(IPPROTO_DSTOPTS)
```
IPPROTO_EGP =

Exterior Gateway Protocol

# File 'ext/socket/constdefs.c', line 3424
```
INTEGER2NUM(IPPROTO_EGP)
```
IPPROTO_EON =

ISO cnlp

# File 'ext/socket/constdefs.c', line 3472
```
INTEGER2NUM(IPPROTO_EON)
```
IPPROTO_ESP =

IP6 Encapsulated Security Payload

# File 'ext/socket/constdefs.c', line 3496
```
INTEGER2NUM(IPPROTO_ESP)
```
IPPROTO_FRAGMENT =

IP6 fragmentation header

# File 'ext/socket/constdefs.c', line 3502
```
INTEGER2NUM(IPPROTO_FRAGMENT)
```
IPPROTO_GGP =

Gateway to Gateway Protocol

# File 'ext/socket/constdefs.c', line 3412
```
INTEGER2NUM(IPPROTO_GGP)
```
IPPROTO_HELLO =

“hello” routing protocol

# File 'ext/socket/constdefs.c', line 3448
```
INTEGER2NUM(IPPROTO_HELLO)
```
IPPROTO_HOPOPTS =

IP6 hop-by-hop options

# File 'ext/socket/constdefs.c', line 3508
```
INTEGER2NUM(IPPROTO_HOPOPTS)
```
IPPROTO_ICMP =

Control message protocol

# File 'ext/socket/constdefs.c', line 3400
```
INTEGER2NUM(IPPROTO_ICMP)
```
IPPROTO_ICMPV6 =

ICMP6

# File 'ext/socket/constdefs.c', line 3514
```
INTEGER2NUM(IPPROTO_ICMPV6)
```
IPPROTO_IDP =

XNS IDP

# File 'ext/socket/constdefs.c', line 3442
```
INTEGER2NUM(IPPROTO_IDP)
```
IPPROTO_IGMP =

Group Management Protocol

# File 'ext/socket/constdefs.c', line 3406
```
INTEGER2NUM(IPPROTO_IGMP)
```
IPPROTO_IP =

Dummy protocol for IP

# File 'ext/socket/constdefs.c', line 3394
```
INTEGER2NUM(IPPROTO_IP)
```
IPPROTO_IPV6 =

IP6 header

# File 'ext/socket/constdefs.c', line 3520
```
INTEGER2NUM(IPPROTO_IPV6)
```
IPPROTO_MAX =

Maximum IPPROTO constant

# File 'ext/socket/constdefs.c', line 3544
```
INTEGER2NUM(IPPROTO_MAX)
```
IPPROTO_ND =

Sun net disk protocol

# File 'ext/socket/constdefs.c', line 3454
```
INTEGER2NUM(IPPROTO_ND)
```
IPPROTO_NONE =

IP6 no next header

# File 'ext/socket/constdefs.c', line 3526
```
INTEGER2NUM(IPPROTO_NONE)
```
IPPROTO_PUP =

PARC Universal Packet protocol

# File 'ext/socket/constdefs.c', line 3430
```
INTEGER2NUM(IPPROTO_PUP)
```
IPPROTO_RAW =

Raw IP packet

# File 'ext/socket/constdefs.c', line 3538
```
INTEGER2NUM(IPPROTO_RAW)
```
IPPROTO_ROUTING =

IP6 routing header

# File 'ext/socket/constdefs.c', line 3532
```
INTEGER2NUM(IPPROTO_ROUTING)
```
IPPROTO_TCP =

TCP

# File 'ext/socket/constdefs.c', line 3418
```
INTEGER2NUM(IPPROTO_TCP)
```
IPPROTO_TP =

ISO transport protocol class 4

# File 'ext/socket/constdefs.c', line 3460
```
INTEGER2NUM(IPPROTO_TP)
```
IPPROTO_UDP =

UDP

# File 'ext/socket/constdefs.c', line 3436
```
INTEGER2NUM(IPPROTO_UDP)
```
IPPROTO_XTP =

Xpress Transport Protocol

# File 'ext/socket/constdefs.c', line 3466
```
INTEGER2NUM(IPPROTO_XTP)
```
IPV6_CHECKSUM =

Checksum offset for raw sockets

# File 'ext/socket/constdefs.c', line 4791
```
INTEGER2NUM(IPV6_CHECKSUM)
```
IPV6_DONTFRAG =

Don’t fragment packets

# File 'ext/socket/constdefs.c', line 4799
```
INTEGER2NUM(IPV6_DONTFRAG)
```
IPV6_DSTOPTS =

Destination option

# File 'ext/socket/constdefs.c', line 4807
```
INTEGER2NUM(IPV6_DSTOPTS)
```
IPV6_HOPLIMIT =

Hop limit

# File 'ext/socket/constdefs.c', line 4815
```
INTEGER2NUM(IPV6_HOPLIMIT)
```
IPV6_HOPOPTS =

Hop-by-hop option

# File 'ext/socket/constdefs.c', line 4823
```
INTEGER2NUM(IPV6_HOPOPTS)
```
IPV6_JOIN_GROUP =

Join a group membership

# File 'ext/socket/constdefs.c', line 4727
```
INTEGER2NUM(IPV6_JOIN_GROUP)
```
IPV6_LEAVE_GROUP =

Leave a group membership

# File 'ext/socket/constdefs.c', line 4735
```
INTEGER2NUM(IPV6_LEAVE_GROUP)
```
IPV6_MTU_DISCOVER =

Path MTU discovery

# File 'ext/socket/constdefs.c', line 4743
```
INTEGER2NUM(IPV6_MTU_DISCOVER)
```
IPV6_MULTICAST_HOPS =

IP6 multicast hops

# File 'ext/socket/constdefs.c', line 4751
```
INTEGER2NUM(IPV6_MULTICAST_HOPS)
```
IPV6_MULTICAST_IF =

IP6 multicast interface

# File 'ext/socket/constdefs.c', line 4759
```
INTEGER2NUM(IPV6_MULTICAST_IF)
```
IPV6_MULTICAST_LOOP =

IP6 multicast loopback

# File 'ext/socket/constdefs.c', line 4767
```
INTEGER2NUM(IPV6_MULTICAST_LOOP)
```
IPV6_NEXTHOP =

Next hop address

# File 'ext/socket/constdefs.c', line 4831
```
INTEGER2NUM(IPV6_NEXTHOP)
```
IPV6_PATHMTU =

Retrieve current path MTU

# File 'ext/socket/constdefs.c', line 4839
```
INTEGER2NUM(IPV6_PATHMTU)
```
IPV6_PKTINFO =

Receive packet information with datagram

# File 'ext/socket/constdefs.c', line 4847
```
INTEGER2NUM(IPV6_PKTINFO)
```
IPV6_RECVDSTOPTS =

Receive all IP6 options for response

# File 'ext/socket/constdefs.c', line 4855
```
INTEGER2NUM(IPV6_RECVDSTOPTS)
```
IPV6_RECVERR =

Enable extended reliable error message passing

# File 'ext/socket/constdefs.c', line 4863
```
INTEGER2NUM(IPV6_RECVERR)
```
IPV6_RECVHOPLIMIT =

Receive hop limit with datagram

# File 'ext/socket/constdefs.c', line 4871
```
INTEGER2NUM(IPV6_RECVHOPLIMIT)
```
IPV6_RECVHOPOPTS =

Receive hop-by-hop options

# File 'ext/socket/constdefs.c', line 4879
```
INTEGER2NUM(IPV6_RECVHOPOPTS)
```
IPV6_RECVPATHMTU =

Receive current path MTU with datagram

# File 'ext/socket/constdefs.c', line 4935
```
INTEGER2NUM(IPV6_RECVPATHMTU)
```
IPV6_RECVPKTINFO =

Receive destination IP address and incoming interface

# File 'ext/socket/constdefs.c', line 4887
```
INTEGER2NUM(IPV6_RECVPKTINFO)
```
IPV6_RECVRTHDR =

Receive routing header

# File 'ext/socket/constdefs.c', line 4895
```
INTEGER2NUM(IPV6_RECVRTHDR)
```
IPV6_RECVTCLASS =

Receive traffic class

# File 'ext/socket/constdefs.c', line 4903
```
INTEGER2NUM(IPV6_RECVTCLASS)
```
IPV6_RTHDR =

Allows removal of sticky routing headers

# File 'ext/socket/constdefs.c', line 4911
```
INTEGER2NUM(IPV6_RTHDR)
```
IPV6_RTHDRDSTOPTS =

Allows removal of sticky destination options header

# File 'ext/socket/constdefs.c', line 4919
```
INTEGER2NUM(IPV6_RTHDRDSTOPTS)
```
IPV6_RTHDR_TYPE_0 =

Routing header type 0

# File 'ext/socket/constdefs.c', line 4927
```
INTEGER2NUM(IPV6_RTHDR_TYPE_0)
```
IPV6_TCLASS =

Specify the traffic class

# File 'ext/socket/constdefs.c', line 4943
```
INTEGER2NUM(IPV6_TCLASS)
```
IPV6_UNICAST_HOPS =

IP6 unicast hops

# File 'ext/socket/constdefs.c', line 4775
```
INTEGER2NUM(IPV6_UNICAST_HOPS)
```
IPV6_USE_MIN_MTU =

Use the minimum MTU size

# File 'ext/socket/constdefs.c', line 4951
```
INTEGER2NUM(IPV6_USE_MIN_MTU)
```
IPV6_V6ONLY =

Only bind IPv6 with a wildcard bind

# File 'ext/socket/constdefs.c', line 4783
```
INTEGER2NUM(IPV6_V6ONLY)
```
IPX_TYPE =

IPX_TYPE

# File 'ext/socket/constdefs.c', line 4336
```
INTEGER2NUM(IPX_TYPE)
```
IP_ADD_MEMBERSHIP =

Add a multicast group membership

# File 'ext/socket/constdefs.c', line 3718
```
INTEGER2NUM(IP_ADD_MEMBERSHIP)
```
IP_ADD_SOURCE_MEMBERSHIP =

Add a multicast group membership

# File 'ext/socket/constdefs.c', line 3850
```
INTEGER2NUM(IP_ADD_SOURCE_MEMBERSHIP)
```
IP_BLOCK_SOURCE =

Block IPv4 multicast packets with a give source address

# File 'ext/socket/constdefs.c', line 3844
```
INTEGER2NUM(IP_BLOCK_SOURCE)
```
IP_DEFAULT_MULTICAST_LOOP =

Default multicast loopback

# File 'ext/socket/constdefs.c', line 3736
```
INTEGER2NUM(IP_DEFAULT_MULTICAST_LOOP)
```
IP_DEFAULT_MULTICAST_TTL =

Default multicast TTL

# File 'ext/socket/constdefs.c', line 3730
```
INTEGER2NUM(IP_DEFAULT_MULTICAST_TTL)
```
IP_DONTFRAG =

Don’t fragment packets

# File 'ext/socket/constdefs.c', line 3658
```
INTEGER2NUM(IP_DONTFRAG)
```
IP_DROP_MEMBERSHIP =

Drop a multicast group membership

# File 'ext/socket/constdefs.c', line 3724
```
INTEGER2NUM(IP_DROP_MEMBERSHIP)
```
IP_DROP_SOURCE_MEMBERSHIP =

Drop a multicast group membership

# File 'ext/socket/constdefs.c', line 3856
```
INTEGER2NUM(IP_DROP_SOURCE_MEMBERSHIP)
```
IP_FREEBIND =

Allow binding to nonexistent IP addresses

# File 'ext/socket/constdefs.c', line 3790
```
INTEGER2NUM(IP_FREEBIND)
```
IP_HDRINCL =

Header is included with data

# File 'ext/socket/constdefs.c', line 3610
```
INTEGER2NUM(IP_HDRINCL)
```
IP_IPSEC_POLICY =

IPsec security policy

# File 'ext/socket/constdefs.c', line 3796
```
INTEGER2NUM(IP_IPSEC_POLICY)
```
IP_MAX_MEMBERSHIPS =

Maximum number multicast groups a socket can join

# File 'ext/socket/constdefs.c', line 3742
```
INTEGER2NUM(IP_MAX_MEMBERSHIPS)
```
IP_MINTTL =

Minimum TTL allowed for received packets

# File 'ext/socket/constdefs.c', line 3652
```
INTEGER2NUM(IP_MINTTL)
```
IP_MSFILTER =

Multicast source filtering

# File 'ext/socket/constdefs.c', line 3862
```
INTEGER2NUM(IP_MSFILTER)
```
IP_MTU =

The Maximum Transmission Unit of the socket

# File 'ext/socket/constdefs.c', line 3784
```
INTEGER2NUM(IP_MTU)
```
IP_MTU_DISCOVER =

Path MTU discovery

# File 'ext/socket/constdefs.c', line 3766
```
INTEGER2NUM(IP_MTU_DISCOVER)
```
IP_MULTICAST_IF =

IP multicast interface

# File 'ext/socket/constdefs.c', line 3700
```
INTEGER2NUM(IP_MULTICAST_IF)
```
IP_MULTICAST_LOOP =

IP multicast loopback

# File 'ext/socket/constdefs.c', line 3712
```
INTEGER2NUM(IP_MULTICAST_LOOP)
```
IP_MULTICAST_TTL =

IP multicast TTL

# File 'ext/socket/constdefs.c', line 3706
```
INTEGER2NUM(IP_MULTICAST_TTL)
```
IP_ONESBCAST =

Force outgoing broadcast datagrams to have the undirected broadcast address

# File 'ext/socket/constdefs.c', line 3670
```
INTEGER2NUM(IP_ONESBCAST)
```
IP_OPTIONS =

IP options to be included in packets

# File 'ext/socket/constdefs.c', line 3604
```
INTEGER2NUM(IP_OPTIONS)
```
IP_PASSSEC =

Retrieve security context with datagram

# File 'ext/socket/constdefs.c', line 3808
```
INTEGER2NUM(IP_PASSSEC)
```
IP_PKTINFO =

Receive packet information with datagrams

# File 'ext/socket/constdefs.c', line 3754
```
INTEGER2NUM(IP_PKTINFO)
```
IP_PKTOPTIONS =

Receive packet options with datagrams

# File 'ext/socket/constdefs.c', line 3760
```
INTEGER2NUM(IP_PKTOPTIONS)
```
IP_PMTUDISC_DO =

Always send DF frames

# File 'ext/socket/constdefs.c', line 3832
```
INTEGER2NUM(IP_PMTUDISC_DO)
```
IP_PMTUDISC_DONT =

Never send DF frames

# File 'ext/socket/constdefs.c', line 3820
```
INTEGER2NUM(IP_PMTUDISC_DONT)
```
IP_PMTUDISC_WANT =

Use per-route hints

# File 'ext/socket/constdefs.c', line 3826
```
INTEGER2NUM(IP_PMTUDISC_WANT)
```
IP_PORTRANGE =

Set the port range for sockets with unspecified port numbers

# File 'ext/socket/constdefs.c', line 3694
```
INTEGER2NUM(IP_PORTRANGE)
```
IP_RECVDSTADDR =

Receive IP destination address with datagram

# File 'ext/socket/constdefs.c', line 3640
```
INTEGER2NUM(IP_RECVDSTADDR)
```
IP_RECVERR =

Enable extended reliable error message passing

# File 'ext/socket/constdefs.c', line 3772
```
INTEGER2NUM(IP_RECVERR)
```
IP_RECVIF =

Receive interface information with datagrams

# File 'ext/socket/constdefs.c', line 3682
```
INTEGER2NUM(IP_RECVIF)
```
IP_RECVOPTS =

Receive all IP options with datagram

# File 'ext/socket/constdefs.c', line 3628
```
INTEGER2NUM(IP_RECVOPTS)
```
IP_RECVRETOPTS =

Receive all IP options for response

# File 'ext/socket/constdefs.c', line 3634
```
INTEGER2NUM(IP_RECVRETOPTS)
```
IP_RECVSLLA =

Receive link-layer address with datagrams

# File 'ext/socket/constdefs.c', line 3688
```
INTEGER2NUM(IP_RECVSLLA)
```
IP_RECVTOS =

Receive TOS with incoming packets

# File 'ext/socket/constdefs.c', line 3778
```
INTEGER2NUM(IP_RECVTOS)
```
IP_RECVTTL =

Receive IP TTL with datagrams

# File 'ext/socket/constdefs.c', line 3676
```
INTEGER2NUM(IP_RECVTTL)
```
IP_RETOPTS =

IP options to be included in datagrams

# File 'ext/socket/constdefs.c', line 3646
```
INTEGER2NUM(IP_RETOPTS)
```
IP_ROUTER_ALERT =

Notify transit routers to more closely examine the contents of an IP packet

# File 'ext/socket/constdefs.c', line 3748
```
INTEGER2NUM(IP_ROUTER_ALERT)
```
IP_SENDSRCADDR =

Source address for outgoing UDP datagrams

# File 'ext/socket/constdefs.c', line 3664
```
INTEGER2NUM(IP_SENDSRCADDR)
```
IP_TOS =

IP type-of-service

# File 'ext/socket/constdefs.c', line 3616
```
INTEGER2NUM(IP_TOS)
```
IP_TRANSPARENT =

Transparent proxy

# File 'ext/socket/constdefs.c', line 3814
```
INTEGER2NUM(IP_TRANSPARENT)
```
IP_TTL =

IP time-to-live

# File 'ext/socket/constdefs.c', line 3622
```
INTEGER2NUM(IP_TTL)
```
IP_UNBLOCK_SOURCE =

Unblock IPv4 multicast packets with a give source address

# File 'ext/socket/constdefs.c', line 3838
```
INTEGER2NUM(IP_UNBLOCK_SOURCE)
```
IP_XFRM_POLICY =

IP_XFRM_POLICY

# File 'ext/socket/constdefs.c', line 3802
```
INTEGER2NUM(IP_XFRM_POLICY)
```
LOCAL_CONNWAIT =

Connect blocks until accepted

# File 'ext/socket/constdefs.c', line 5054
```
INTEGER2NUM(LOCAL_CONNWAIT)
```
LOCAL_CREDS =

Pass credentials to receiver

# File 'ext/socket/constdefs.c', line 5048
```
INTEGER2NUM(LOCAL_CREDS)
```
LOCAL_PEERCRED =

Retrieve peer credentials

# File 'ext/socket/constdefs.c', line 5042
```
INTEGER2NUM(LOCAL_PEERCRED)
```
MCAST_BLOCK_SOURCE =

Block multicast packets from this source

# File 'ext/socket/constdefs.c', line 3874
```
INTEGER2NUM(MCAST_BLOCK_SOURCE)
```
MCAST_EXCLUDE =

Exclusive multicast source filter

# File 'ext/socket/constdefs.c', line 3910
```
INTEGER2NUM(MCAST_EXCLUDE)
```
MCAST_INCLUDE =

Inclusive multicast source filter

# File 'ext/socket/constdefs.c', line 3916
```
INTEGER2NUM(MCAST_INCLUDE)
```
MCAST_JOIN_GROUP =

Join a multicast group

# File 'ext/socket/constdefs.c', line 3868
```
INTEGER2NUM(MCAST_JOIN_GROUP)
```
MCAST_JOIN_SOURCE_GROUP =

Join a multicast source group

# File 'ext/socket/constdefs.c', line 3892
```
INTEGER2NUM(MCAST_JOIN_SOURCE_GROUP)
```
MCAST_LEAVE_GROUP =

Leave a multicast group

# File 'ext/socket/constdefs.c', line 3886
```
INTEGER2NUM(MCAST_LEAVE_GROUP)
```
MCAST_LEAVE_SOURCE_GROUP =

Leave a multicast source group

# File 'ext/socket/constdefs.c', line 3898
```
INTEGER2NUM(MCAST_LEAVE_SOURCE_GROUP)
```
MCAST_MSFILTER =

Multicast source filtering

# File 'ext/socket/constdefs.c', line 3904
```
INTEGER2NUM(MCAST_MSFILTER)
```
MCAST_UNBLOCK_SOURCE =

Unblock multicast packets from this source

# File 'ext/socket/constdefs.c', line 3880
```
INTEGER2NUM(MCAST_UNBLOCK_SOURCE)
```
MSG_COMPAT =

End of record

# File 'ext/socket/constdefs.c', line 3292
```
INTEGER2NUM(MSG_COMPAT)
```
MSG_CONFIRM =

Confirm path validity

# File 'ext/socket/constdefs.c', line 3316
```
INTEGER2NUM(MSG_CONFIRM)
```
MSG_CTRUNC =

Control data lost before delivery

# File 'ext/socket/constdefs.c', line 3238
```
INTEGER2NUM(MSG_CTRUNC)
```
MSG_DONTROUTE =

Send without using the routing tables

# File 'ext/socket/constdefs.c', line 3220
```
INTEGER2NUM(MSG_DONTROUTE)
```
MSG_DONTWAIT =

This message should be non-blocking

# File 'ext/socket/constdefs.c', line 3250
```
INTEGER2NUM(MSG_DONTWAIT)
```
MSG_EOF =

Data completes connection

# File 'ext/socket/constdefs.c', line 3256
```
INTEGER2NUM(MSG_EOF)
```
MSG_EOR =

Data completes record

# File 'ext/socket/constdefs.c', line 3226
```
INTEGER2NUM(MSG_EOR)
```
MSG_ERRQUEUE =

Fetch message from error queue

# File 'ext/socket/constdefs.c', line 3328
```
INTEGER2NUM(MSG_ERRQUEUE)
```
MSG_FASTOPEN =

Reduce step of the handshake process

# File 'ext/socket/constdefs.c', line 3346
```
INTEGER2NUM(MSG_FASTOPEN)
```
MSG_FIN =

MSG_FIN

# File 'ext/socket/constdefs.c', line 3304
```
INTEGER2NUM(MSG_FIN)
```
MSG_FLUSH =

Start of a hold sequence. Dumps to so_temp

# File 'ext/socket/constdefs.c', line 3262
```
INTEGER2NUM(MSG_FLUSH)
```
MSG_HAVEMORE =

Data ready to be read

# File 'ext/socket/constdefs.c', line 3280
```
INTEGER2NUM(MSG_HAVEMORE)
```
MSG_HOLD =

Hold fragment in so_temp

# File 'ext/socket/constdefs.c', line 3268
```
INTEGER2NUM(MSG_HOLD)
```
MSG_MORE =

Sender will send more

# File 'ext/socket/constdefs.c', line 3340
```
INTEGER2NUM(MSG_MORE)
```
MSG_NOSIGNAL =

Do not generate SIGPIPE

# File 'ext/socket/constdefs.c', line 3334
```
INTEGER2NUM(MSG_NOSIGNAL)
```
MSG_OOB =

Process out-of-band data

# File 'ext/socket/constdefs.c', line 3208
```
INTEGER2NUM(MSG_OOB)
```
MSG_PEEK =

Peek at incoming message

# File 'ext/socket/constdefs.c', line 3214
```
INTEGER2NUM(MSG_PEEK)
```
MSG_PROXY =

Wait for full request

# File 'ext/socket/constdefs.c', line 3298
```
INTEGER2NUM(MSG_PROXY)
```
MSG_RCVMORE =

Data remains in the current packet

# File 'ext/socket/constdefs.c', line 3286
```
INTEGER2NUM(MSG_RCVMORE)
```
MSG_RST =

MSG_RST

# File 'ext/socket/constdefs.c', line 3322
```
INTEGER2NUM(MSG_RST)
```
MSG_SEND =

Send the packet in so_temp

# File 'ext/socket/constdefs.c', line 3274
```
INTEGER2NUM(MSG_SEND)
```
MSG_SYN =

MSG_SYN

# File 'ext/socket/constdefs.c', line 3310
```
INTEGER2NUM(MSG_SYN)
```
MSG_TRUNC =

Data discarded before delivery

# File 'ext/socket/constdefs.c', line 3232
```
INTEGER2NUM(MSG_TRUNC)
```
MSG_WAITALL =

Wait for full request or error

# File 'ext/socket/constdefs.c', line 3244
```
INTEGER2NUM(MSG_WAITALL)
```
NI_DGRAM =

The service specified is a datagram service (looks up UDP ports)

# File 'ext/socket/constdefs.c', line 4702
```
INTEGER2NUM(NI_DGRAM)
```
NI_MAXHOST =

Maximum length of a hostname

# File 'ext/socket/constdefs.c', line 4666
```
INTEGER2NUM(NI_MAXHOST)
```
NI_MAXSERV =

Maximum length of a service name

# File 'ext/socket/constdefs.c', line 4672
```
INTEGER2NUM(NI_MAXSERV)
```
NI_NAMEREQD =

A name is required

# File 'ext/socket/constdefs.c', line 4690
```
INTEGER2NUM(NI_NAMEREQD)
```
NI_NOFQDN =

An FQDN is not required for local hosts, return only the local part

# File 'ext/socket/constdefs.c', line 4678
```
INTEGER2NUM(NI_NOFQDN)
```
NI_NUMERICHOST =

Return a numeric address

# File 'ext/socket/constdefs.c', line 4684
```
INTEGER2NUM(NI_NUMERICHOST)
```
NI_NUMERICSERV =

Return the service name as a digit string

# File 'ext/socket/constdefs.c', line 4696
```
INTEGER2NUM(NI_NUMERICSERV)
```
PF_ALG =

Interface to kernel crypto API

# File 'ext/socket/constdefs.c', line 3166
```
INTEGER2NUM(PF_ALG)
```
PF_APPLETALK =

AppleTalk protocol

# File 'ext/socket/constdefs.c', line 2638
```
INTEGER2NUM(PF_APPLETALK)
```
PF_ATM =

Asynchronous Transfer Mode

# File 'ext/socket/constdefs.c', line 2974
```
INTEGER2NUM(PF_ATM)
```
PF_AX25 =

AX.25 protocol

# File 'ext/socket/constdefs.c', line 2614
```
INTEGER2NUM(PF_AX25)
```
PF_BLUETOOTH =

Bluetooth low-level socket protocol

# File 'ext/socket/constdefs.c', line 3154
```
INTEGER2NUM(PF_BLUETOOTH)
```
PF_CAN =

Controller Area Network automotive bus protocol

# File 'ext/socket/constdefs.c', line 3130
```
INTEGER2NUM(PF_CAN)
```
PF_CCITT =

CCITT (now ITU-T) protocols

# File 'ext/socket/constdefs.c', line 2758
```
INTEGER2NUM(PF_CCITT)
```
PF_CHAOS =

MIT CHAOS protocols

# File 'ext/socket/constdefs.c', line 2686
```
INTEGER2NUM(PF_CHAOS)
```
PF_CNT =

Computer Network Technology

# File 'ext/socket/constdefs.c', line 2878
```
INTEGER2NUM(PF_CNT)
```
PF_COIP =

Connection-oriented IP

# File 'ext/socket/constdefs.c', line 2866
```
INTEGER2NUM(PF_COIP)
```
PF_DATAKIT =

Datakit protocol

# File 'ext/socket/constdefs.c', line 2746
```
INTEGER2NUM(PF_DATAKIT)
```
PF_DEC =

DECnet protocol

# File 'ext/socket/constdefs.c', line 2782
```
INTEGER2NUM(PF_DEC)
```
PF_DECnet =

DECnet protocol

# File 'ext/socket/constdefs.c', line 2794
```
INTEGER2NUM(PF_DECnet)
```
PF_DLI =

DEC Direct Data Link Interface protocol

# File 'ext/socket/constdefs.c', line 2806
```
INTEGER2NUM(PF_DLI)
```
PF_ECMA =

European Computer Manufacturers protocols

# File 'ext/socket/constdefs.c', line 2734
```
INTEGER2NUM(PF_ECMA)
```
PF_HYLINK =

NSC Hyperchannel protocol

# File 'ext/socket/constdefs.c', line 2830
```
INTEGER2NUM(PF_HYLINK)
```
PF_IB =

InfiniBand native addressing

# File 'ext/socket/constdefs.c', line 3106
```
INTEGER2NUM(PF_IB)
```
PF_IMPLINK =

ARPANET IMP protocol

# File 'ext/socket/constdefs.c', line 2662
```
INTEGER2NUM(PF_IMPLINK)
```
PF_INET =

IPv4 protocol

# File 'ext/socket/constdefs.c', line 2574
```
INTEGER2NUM(PF_INET)
```
PF_INET6 =

IPv6 protocol

# File 'ext/socket/constdefs.c', line 2589
```
INTEGER2NUM(PF_INET6)
```
PF_IPX =

IPX protocol

# File 'ext/socket/constdefs.c', line 2626
```
INTEGER2NUM(PF_IPX)
```
PF_ISDN =

Integrated Services Digital Network

# File 'ext/socket/constdefs.c', line 2914
```
INTEGER2NUM(PF_ISDN)
```
PF_ISO =

ISO Open Systems Interconnection protocols

# File 'ext/socket/constdefs.c', line 2710
```
INTEGER2NUM(PF_ISO)
```
PF_KCM =

KCM (kernel connection multiplexor) interface

# File 'ext/socket/constdefs.c', line 3190
```
INTEGER2NUM(PF_KCM)
```
PF_KEY =

Key management protocol, originally developed for usage with IPsec

# File 'ext/socket/constdefs.c', line 3046
```
INTEGER2NUM(PF_KEY)
```
PF_LAT =

Local Area Transport protocol

# File 'ext/socket/constdefs.c', line 2818
```
INTEGER2NUM(PF_LAT)
```
PF_LINK =

Link layer interface

# File 'ext/socket/constdefs.c', line 2854
```
INTEGER2NUM(PF_LINK)
```
PF_LLC =

Logical link control (IEEE 802.2 LLC) protocol

# File 'ext/socket/constdefs.c', line 3094
```
INTEGER2NUM(PF_LLC)
```
PF_LOCAL =

Host-internal protocols

# File 'ext/socket/constdefs.c', line 2650
```
INTEGER2NUM(PF_LOCAL)
```
PF_MAX =

Maximum address family for this platform

# File 'ext/socket/constdefs.c', line 2998
```
INTEGER2NUM(PF_MAX)
```
PF_MPLS =

Multiprotocol Label Switching

# File 'ext/socket/constdefs.c', line 3118
```
INTEGER2NUM(PF_MPLS)
```
PF_NATM =

Native ATM access

# File 'ext/socket/constdefs.c', line 2926
```
INTEGER2NUM(PF_NATM)
```
PF_NDRV =

Network driver raw access

# File 'ext/socket/constdefs.c', line 2902
```
INTEGER2NUM(PF_NDRV)
```
PF_NETBIOS =

NetBIOS

# File 'ext/socket/constdefs.c', line 2950
```
INTEGER2NUM(PF_NETBIOS)
```
PF_NETGRAPH =

Netgraph sockets

# File 'ext/socket/constdefs.c', line 2986
```
INTEGER2NUM(PF_NETGRAPH)
```
PF_NETLINK =

Kernel user interface device

# File 'ext/socket/constdefs.c', line 3058
```
INTEGER2NUM(PF_NETLINK)
```
PF_NS =

XEROX NS protocols

# File 'ext/socket/constdefs.c', line 2698
```
INTEGER2NUM(PF_NS)
```
PF_OSI =

ISO Open Systems Interconnection protocols

# File 'ext/socket/constdefs.c', line 2722
```
INTEGER2NUM(PF_OSI)
```
PF_PACKET =

Direct link-layer access

# File 'ext/socket/constdefs.c', line 3010
```
INTEGER2NUM(PF_PACKET)
```
PF_PIP =

Help Identify PIP packets

# File 'ext/socket/constdefs.c', line 3034
```
INTEGER2NUM(PF_PIP)
```
PF_PPP =

Point-to-Point Protocol

# File 'ext/socket/constdefs.c', line 2962
```
INTEGER2NUM(PF_PPP)
```
PF_PPPOX =

Generic PPP transport layer, for setting up L2 tunnels (L2TP and PPPoE)

# File 'ext/socket/constdefs.c', line 3082
```
INTEGER2NUM(PF_PPPOX)
```
PF_PUP =

PARC Universal Packet protocol

# File 'ext/socket/constdefs.c', line 2674
```
INTEGER2NUM(PF_PUP)
```
PF_RDS =

Reliable Datagram Sockets (RDS) protocol

# File 'ext/socket/constdefs.c', line 3070
```
INTEGER2NUM(PF_RDS)
```
PF_ROUTE =

Internal routing protocol

# File 'ext/socket/constdefs.c', line 2842
```
INTEGER2NUM(PF_ROUTE)
```
PF_RTIP =

Help Identify RTIP packets

# File 'ext/socket/constdefs.c', line 3028
```
INTEGER2NUM(PF_RTIP)
```
PF_SIP =

Simple Internet Protocol

# File 'ext/socket/constdefs.c', line 2890
```
INTEGER2NUM(PF_SIP)
```
PF_SNA =

IBM SNA protocol

# File 'ext/socket/constdefs.c', line 2770
```
INTEGER2NUM(PF_SNA)
```
PF_SYSTEM =

Kernel event messages

# File 'ext/socket/constdefs.c', line 2938
```
INTEGER2NUM(PF_SYSTEM)
```
PF_TIPC =

TIPC, “cluster domain sockets” protocol

# File 'ext/socket/constdefs.c', line 3142
```
INTEGER2NUM(PF_TIPC)
```
PF_UNIX =

UNIX sockets

# File 'ext/socket/constdefs.c', line 2602
```
INTEGER2NUM(PF_UNIX)
```
PF_UNSPEC =

Unspecified protocol, any supported address family

# File 'ext/socket/constdefs.c', line 2562
```
INTEGER2NUM(PF_UNSPEC)
```
PF_VSOCK =

VSOCK (originally “VMWare VSockets”) protocol for hypervisor-guest communication

# File 'ext/socket/constdefs.c', line 3178
```
INTEGER2NUM(PF_VSOCK)
```
PF_XDP =

XDP (express data path) interface

# File 'ext/socket/constdefs.c', line 3202
```
INTEGER2NUM(PF_XDP)
```
PF_XTP =

eXpress Transfer Protocol

# File 'ext/socket/constdefs.c', line 3022
```
INTEGER2NUM(PF_XTP)
```
SCM_BINTIME =

Timestamp (bintime)

# File 'ext/socket/constdefs.c', line 5012
```
INTEGER2NUM(SCM_BINTIME)
```
SCM_CREDENTIALS =

The sender’s credentials

# File 'ext/socket/constdefs.c', line 5018
```
INTEGER2NUM(SCM_CREDENTIALS)
```
SCM_CREDS =

Process credentials

# File 'ext/socket/constdefs.c', line 5024
```
INTEGER2NUM(SCM_CREDS)
```
SCM_RIGHTS =

Access rights

# File 'ext/socket/constdefs.c', line 4988
```
INTEGER2NUM(SCM_RIGHTS)
```
SCM_TIMESTAMP =

Timestamp (timeval)

# File 'ext/socket/constdefs.c', line 4994
```
INTEGER2NUM(SCM_TIMESTAMP)
```
SCM_TIMESTAMPING =

Timestamp (timespec list) (Linux 2.6.30)

# File 'ext/socket/constdefs.c', line 5006
```
INTEGER2NUM(SCM_TIMESTAMPING)
```
SCM_TIMESTAMPNS =

Timespec (timespec)

# File 'ext/socket/constdefs.c', line 5000
```
INTEGER2NUM(SCM_TIMESTAMPNS)
```
SCM_UCRED =

User credentials

# File 'ext/socket/constdefs.c', line 5030
```
INTEGER2NUM(SCM_UCRED)
```
SCM_WIFI_STATUS =

Wifi status (Linux 3.3)

# File 'ext/socket/constdefs.c', line 5036
```
INTEGER2NUM(SCM_WIFI_STATUS)
```
SHUT_RD =

Shut down the reading side of the socket

# File 'ext/socket/constdefs.c', line 4708
```
INTEGER2NUM(SHUT_RD)
```
SHUT_RDWR =

Shut down the both sides of the socket

# File 'ext/socket/constdefs.c', line 4720
```
INTEGER2NUM(SHUT_RDWR)
```
SHUT_WR =

Shut down the writing side of the socket

# File 'ext/socket/constdefs.c', line 4714
```
INTEGER2NUM(SHUT_WR)
```
SOCK_CLOEXEC =

Set the close-on-exec (FD_CLOEXEC) flag on the new file descriptor.

# File 'ext/socket/constdefs.c', line 2550
```
INTEGER2NUM(SOCK_CLOEXEC)
```
SOCK_DGRAM =

A datagram socket provides connectionless, unreliable messaging

# File 'ext/socket/constdefs.c', line 2514
```
INTEGER2NUM(SOCK_DGRAM)
```
SOCK_NONBLOCK =

Set the O_NONBLOCK file status flag on the open file description (see open(2)) referred to by the new file descriptor.

# File 'ext/socket/constdefs.c', line 2544
```
INTEGER2NUM(SOCK_NONBLOCK)
```
SOCK_PACKET =

Device-level packet access

# File 'ext/socket/constdefs.c', line 2538
```
INTEGER2NUM(SOCK_PACKET)
```
SOCK_RAW =

A raw socket provides low-level access for direct access or implementing network protocols

# File 'ext/socket/constdefs.c', line 2520
```
INTEGER2NUM(SOCK_RAW)
```
SOCK_RDM =

A reliable datagram socket provides reliable delivery of messages

# File 'ext/socket/constdefs.c', line 2526
```
INTEGER2NUM(SOCK_RDM)
```
SOCK_SEQPACKET =

A sequential packet socket provides sequenced, reliable two-way connection for datagrams

# File 'ext/socket/constdefs.c', line 2532
```
INTEGER2NUM(SOCK_SEQPACKET)
```
SOCK_STREAM =

A stream socket provides a sequenced, reliable two-way connection for a byte stream

# File 'ext/socket/constdefs.c', line 2508
```
INTEGER2NUM(SOCK_STREAM)
```
SOL_ATALK =

AppleTalk socket options

# File 'ext/socket/constdefs.c', line 3376
```
INTEGER2NUM(SOL_ATALK)
```
SOL_AX25 =

AX.25 socket options

# File 'ext/socket/constdefs.c', line 3370
```
INTEGER2NUM(SOL_AX25)
```
SOL_IP =

IP socket options

# File 'ext/socket/constdefs.c', line 3358
```
INTEGER2NUM(SOL_IP)
```
SOL_IPX =

IPX socket options

# File 'ext/socket/constdefs.c', line 3364
```
INTEGER2NUM(SOL_IPX)
```
SOL_SOCKET =

Socket-level options

# File 'ext/socket/constdefs.c', line 3352
```
INTEGER2NUM(SOL_SOCKET)
```
SOL_TCP =

TCP socket options

# File 'ext/socket/constdefs.c', line 3382
```
INTEGER2NUM(SOL_TCP)
```
SOL_UDP =

UDP socket options

# File 'ext/socket/constdefs.c', line 3388
```
INTEGER2NUM(SOL_UDP)
```
SOMAXCONN =

Maximum connection requests that may be queued for a socket

# File 'ext/socket/constdefs.c', line 4982
```
INTEGER2NUM(SOMAXCONN)
```
SOPRI_BACKGROUND =

Background socket priority

# File 'ext/socket/constdefs.c', line 4330
```
INTEGER2NUM(SOPRI_BACKGROUND)
```
SOPRI_INTERACTIVE =

Interactive socket priority

# File 'ext/socket/constdefs.c', line 4318
```
INTEGER2NUM(SOPRI_INTERACTIVE)
```
SOPRI_NORMAL =

Normal socket priority

# File 'ext/socket/constdefs.c', line 4324
```
INTEGER2NUM(SOPRI_NORMAL)
```
SO_ACCEPTCONN =

Socket has had listen() called on it

# File 'ext/socket/constdefs.c', line 4054
```
INTEGER2NUM(SO_ACCEPTCONN)
```
SO_ACCEPTFILTER =

There is an accept filter

# File 'ext/socket/constdefs.c', line 4066
```
INTEGER2NUM(SO_ACCEPTFILTER)
```
SO_ALLZONES =

Bypass zone boundaries

# File 'ext/socket/constdefs.c', line 4192
```
INTEGER2NUM(SO_ALLZONES)
```
SO_ATTACH_FILTER =

Attach an accept filter

# File 'ext/socket/constdefs.c', line 4138
```
INTEGER2NUM(SO_ATTACH_FILTER)
```
SO_BINDTODEVICE =

Only send packets from the given interface

# File 'ext/socket/constdefs.c', line 4132
```
INTEGER2NUM(SO_BINDTODEVICE)
```
SO_BINTIME =

Receive timestamp with datagrams (bintime)

# File 'ext/socket/constdefs.c', line 4174
```
INTEGER2NUM(SO_BINTIME)
```
SO_BPF_EXTENSIONS =

Query supported BPF extensions (Linux 3.14)

# File 'ext/socket/constdefs.c', line 4282
```
INTEGER2NUM(SO_BPF_EXTENSIONS)
```
SO_BROADCAST =

Permit sending of broadcast messages

# File 'ext/socket/constdefs.c', line 3958
```
INTEGER2NUM(SO_BROADCAST)
```
SO_BUSY_POLL =

Set the threshold in microseconds for low latency polling (Linux 3.11)

# File 'ext/socket/constdefs.c', line 4270
```
INTEGER2NUM(SO_BUSY_POLL)
```
SO_CONNECT_TIME =

Returns the number of seconds a socket has been connected. This option is only valid for connection-oriented protocols (Windows)

# File 'ext/socket/constdefs.c', line 4312
```
INTEGER2NUM(SO_CONNECT_TIME)
```
SO_DEBUG =

Debug info recording

# File 'ext/socket/constdefs.c', line 3922
```
INTEGER2NUM(SO_DEBUG)
```
SO_DETACH_FILTER =

Detach an accept filter

# File 'ext/socket/constdefs.c', line 4144
```
INTEGER2NUM(SO_DETACH_FILTER)
```
SO_DOMAIN =

Domain given for socket() (Linux 2.6.32)

# File 'ext/socket/constdefs.c', line 4228
```
INTEGER2NUM(SO_DOMAIN)
```
SO_DONTROUTE =

Use interface addresses

# File 'ext/socket/constdefs.c', line 3952
```
INTEGER2NUM(SO_DONTROUTE)
```
SO_DONTTRUNC =

Retain unread data

# File 'ext/socket/constdefs.c', line 4078
```
INTEGER2NUM(SO_DONTTRUNC)
```
SO_ERROR =

Get and clear the error status

# File 'ext/socket/constdefs.c', line 3946
```
INTEGER2NUM(SO_ERROR)
```
SO_GET_FILTER =

Obtain filter set by SO_ATTACH_FILTER (Linux 3.8)

# File 'ext/socket/constdefs.c', line 4150
```
INTEGER2NUM(SO_GET_FILTER)
```
SO_INCOMING_CPU =

Receive the cpu attached to the socket (Linux 3.19)

# File 'ext/socket/constdefs.c', line 4300
```
INTEGER2NUM(SO_INCOMING_CPU)
```
SO_INCOMING_NAPI_ID =

Receive the napi ID attached to a RX queue (Linux 4.12)

# File 'ext/socket/constdefs.c', line 4306
```
INTEGER2NUM(SO_INCOMING_NAPI_ID)
```
SO_KEEPALIVE =

Keep connections alive

# File 'ext/socket/constdefs.c', line 3988
```
INTEGER2NUM(SO_KEEPALIVE)
```
SO_LINGER =

Linger on close if data is present

# File 'ext/socket/constdefs.c', line 4012
```
INTEGER2NUM(SO_LINGER)
```
SO_LOCK_FILTER =

Lock the filter attached to a socket (Linux 3.9)

# File 'ext/socket/constdefs.c', line 4258
```
INTEGER2NUM(SO_LOCK_FILTER)
```
SO_MAC_EXEMPT =

Mandatory Access Control exemption for unlabeled peers

# File 'ext/socket/constdefs.c', line 4186
```
INTEGER2NUM(SO_MAC_EXEMPT)
```
SO_MARK =

Set the mark for mark-based routing (Linux 2.6.25)

# File 'ext/socket/constdefs.c', line 4210
```
INTEGER2NUM(SO_MARK)
```
SO_MAX_PACING_RATE =

Cap the rate computed by transport layer. [bytes per second] (Linux 3.13)

# File 'ext/socket/constdefs.c', line 4276
```
INTEGER2NUM(SO_MAX_PACING_RATE)
```
SO_NKE =

Install socket-level Network Kernel Extension

# File 'ext/socket/constdefs.c', line 4102
```
INTEGER2NUM(SO_NKE)
```
SO_NOFCS =

Set netns of a socket (Linux 3.4)

# File 'ext/socket/constdefs.c', line 4252
```
INTEGER2NUM(SO_NOFCS)
```
SO_NOSIGPIPE =

Don’t SIGPIPE on EPIPE

# File 'ext/socket/constdefs.c', line 4108
```
INTEGER2NUM(SO_NOSIGPIPE)
```
SO_NO_CHECK =

Disable checksums

# File 'ext/socket/constdefs.c', line 4000
```
INTEGER2NUM(SO_NO_CHECK)
```
SO_NREAD =

Get first packet byte count

# File 'ext/socket/constdefs.c', line 4096
```
INTEGER2NUM(SO_NREAD)
```
SO_OOBINLINE =

Leave received out-of-band data in-line

# File 'ext/socket/constdefs.c', line 3994
```
INTEGER2NUM(SO_OOBINLINE)
```
SO_PASSCRED =

Receive SCM_CREDENTIALS messages

# File 'ext/socket/constdefs.c', line 4018
```
INTEGER2NUM(SO_PASSCRED)
```
SO_PASSSEC =

Toggle security context passing (Linux 2.6.18)

# File 'ext/socket/constdefs.c', line 4204
```
INTEGER2NUM(SO_PASSSEC)
```
SO_PEEK_OFF =

Set the peek offset (Linux 3.4)

# File 'ext/socket/constdefs.c', line 4246
```
INTEGER2NUM(SO_PEEK_OFF)
```
SO_PEERCRED =

The credentials of the foreign process connected to this socket

# File 'ext/socket/constdefs.c', line 4024
```
INTEGER2NUM(SO_PEERCRED)
```
SO_PEERNAME =

Name of the connecting user

# File 'ext/socket/constdefs.c', line 4156
```
INTEGER2NUM(SO_PEERNAME)
```
SO_PEERSEC =

Obtain the security credentials (Linux 2.6.2)

# File 'ext/socket/constdefs.c', line 4198
```
INTEGER2NUM(SO_PEERSEC)
```
SO_PRIORITY =

The protocol-defined priority for all packets on this socket

# File 'ext/socket/constdefs.c', line 4006
```
INTEGER2NUM(SO_PRIORITY)
```
SO_PROTOCOL =

Protocol given for socket() (Linux 2.6.32)

# File 'ext/socket/constdefs.c', line 4222
```
INTEGER2NUM(SO_PROTOCOL)
```
SO_RCVBUF =

Receive buffer size

# File 'ext/socket/constdefs.c', line 3970
```
INTEGER2NUM(SO_RCVBUF)
```
SO_RCVBUFFORCE =

Receive buffer size without rmem_max limit (Linux 2.6.14)

# File 'ext/socket/constdefs.c', line 3982
```
INTEGER2NUM(SO_RCVBUFFORCE)
```
SO_RCVLOWAT =

Receive low-water mark

# File 'ext/socket/constdefs.c', line 4030
```
INTEGER2NUM(SO_RCVLOWAT)
```
SO_RCVTIMEO =

Receive timeout

# File 'ext/socket/constdefs.c', line 4042
```
INTEGER2NUM(SO_RCVTIMEO)
```
SO_RECVUCRED =

Receive user credentials with datagram

# File 'ext/socket/constdefs.c', line 4180
```
INTEGER2NUM(SO_RECVUCRED)
```
SO_REUSEADDR =

Allow local address reuse

# File 'ext/socket/constdefs.c', line 3928
```
INTEGER2NUM(SO_REUSEADDR)
```
SO_REUSEPORT =

Allow local address and port reuse

# File 'ext/socket/constdefs.c', line 3934
```
INTEGER2NUM(SO_REUSEPORT)
```
SO_RTABLE =

Set the routing table for this socket (OpenBSD)

# File 'ext/socket/constdefs.c', line 4294
```
INTEGER2NUM(SO_RTABLE)
```
SO_RXQ_OVFL =

Toggle cmsg for number of packets dropped (Linux 2.6.33)

# File 'ext/socket/constdefs.c', line 4234
```
INTEGER2NUM(SO_RXQ_OVFL)
```
SO_SECURITY_AUTHENTICATION =

SO_SECURITY_AUTHENTICATION

# File 'ext/socket/constdefs.c', line 4114
```
INTEGER2NUM(SO_SECURITY_AUTHENTICATION)
```
SO_SECURITY_ENCRYPTION_NETWORK =

SO_SECURITY_ENCRYPTION_NETWORK

# File 'ext/socket/constdefs.c', line 4126
```
INTEGER2NUM(SO_SECURITY_ENCRYPTION_NETWORK)
```
SO_SECURITY_ENCRYPTION_TRANSPORT =

SO_SECURITY_ENCRYPTION_TRANSPORT

# File 'ext/socket/constdefs.c', line 4120
```
INTEGER2NUM(SO_SECURITY_ENCRYPTION_TRANSPORT)
```
SO_SELECT_ERR_QUEUE =

Make select() detect socket error queue with errorfds (Linux 3.10)

# File 'ext/socket/constdefs.c', line 4264
```
INTEGER2NUM(SO_SELECT_ERR_QUEUE)
```
SO_SETFIB =

Set the associated routing table for the socket (FreeBSD)

# File 'ext/socket/constdefs.c', line 4288
```
INTEGER2NUM(SO_SETFIB)
```
SO_SNDBUF =

Send buffer size

# File 'ext/socket/constdefs.c', line 3964
```
INTEGER2NUM(SO_SNDBUF)
```
SO_SNDBUFFORCE =

Send buffer size without wmem_max limit (Linux 2.6.14)

# File 'ext/socket/constdefs.c', line 3976
```
INTEGER2NUM(SO_SNDBUFFORCE)
```
SO_SNDLOWAT =

Send low-water mark

# File 'ext/socket/constdefs.c', line 4036
```
INTEGER2NUM(SO_SNDLOWAT)
```
SO_SNDTIMEO =

Send timeout

# File 'ext/socket/constdefs.c', line 4048
```
INTEGER2NUM(SO_SNDTIMEO)
```
SO_TIMESTAMP =

Receive timestamp with datagrams (timeval)

# File 'ext/socket/constdefs.c', line 4162
```
INTEGER2NUM(SO_TIMESTAMP)
```
SO_TIMESTAMPING =

Time stamping of incoming and outgoing packets (Linux 2.6.30)

# File 'ext/socket/constdefs.c', line 4216
```
INTEGER2NUM(SO_TIMESTAMPING)
```
SO_TIMESTAMPNS =

Receive nanosecond timestamp with datagrams (timespec)

# File 'ext/socket/constdefs.c', line 4168
```
INTEGER2NUM(SO_TIMESTAMPNS)
```
SO_TYPE =

Get the socket type

# File 'ext/socket/constdefs.c', line 3940
```
INTEGER2NUM(SO_TYPE)
```
SO_USELOOPBACK =

Bypass hardware when possible

# File 'ext/socket/constdefs.c', line 4060
```
INTEGER2NUM(SO_USELOOPBACK)
```
SO_USER_COOKIE =

Setting an identifier for ipfw purpose mainly

# File 'ext/socket/constdefs.c', line 4072
```
INTEGER2NUM(SO_USER_COOKIE)
```
SO_WANTMORE =

Give a hint when more data is ready

# File 'ext/socket/constdefs.c', line 4084
```
INTEGER2NUM(SO_WANTMORE)
```
SO_WANTOOBFLAG =

OOB data is wanted in MSG_FLAG on receive

# File 'ext/socket/constdefs.c', line 4090
```
INTEGER2NUM(SO_WANTOOBFLAG)
```
SO_WIFI_STATUS =

Toggle cmsg for wifi status (Linux 3.3)

# File 'ext/socket/constdefs.c', line 4240
```
INTEGER2NUM(SO_WIFI_STATUS)
```
TCP_CONGESTION =

TCP congestion control algorithm (Linux 2.6.13, glibc 2.6)

# File 'ext/socket/constdefs.c', line 4450
```
INTEGER2NUM(TCP_CONGESTION)
```
TCP_CONNECTION_INFO =

Retrieve information about this socket (macOS)

# File 'ext/socket/constdefs.c', line 4354
```
INTEGER2NUM(TCP_CONNECTION_INFO)
```
TCP_COOKIE_TRANSACTIONS =

TCP Cookie Transactions (Linux 2.6.33, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4456
```
INTEGER2NUM(TCP_COOKIE_TRANSACTIONS)
```
TCP_CORK =

Don’t send partial frames (Linux 2.2, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4360
```
INTEGER2NUM(TCP_CORK)
```
TCP_DEFER_ACCEPT =

Don’t notify a listening socket until data is ready (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4366
```
INTEGER2NUM(TCP_DEFER_ACCEPT)
```
TCP_FASTOPEN =

Reduce step of the handshake process (Linux 3.7, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4444
```
INTEGER2NUM(TCP_FASTOPEN)
```
TCP_INFO =

Retrieve information about this socket (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4372
```
INTEGER2NUM(TCP_INFO)
```
TCP_KEEPALIVE =

Idle time before keepalive probes are sent (macOS)

# File 'ext/socket/constdefs.c', line 4378
```
INTEGER2NUM(TCP_KEEPALIVE)
```
TCP_KEEPCNT =

Maximum number of keepalive probes allowed before dropping a connection (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4384
```
INTEGER2NUM(TCP_KEEPCNT)
```
TCP_KEEPIDLE =

Idle time before keepalive probes are sent (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4390
```
INTEGER2NUM(TCP_KEEPIDLE)
```
TCP_KEEPINTVL =

Time between keepalive probes (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4396
```
INTEGER2NUM(TCP_KEEPINTVL)
```
TCP_LINGER2 =

Lifetime of orphaned FIN_WAIT2 sockets (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4402
```
INTEGER2NUM(TCP_LINGER2)
```
TCP_MAXSEG =

Set maximum segment size

# File 'ext/socket/constdefs.c', line 4348
```
INTEGER2NUM(TCP_MAXSEG)
```
TCP_MD5SIG =

Use MD5 digests (RFC2385, Linux 2.6.20, glibc 2.7)

# File 'ext/socket/constdefs.c', line 4408
```
INTEGER2NUM(TCP_MD5SIG)
```
TCP_NODELAY =

Don’t delay sending to coalesce packets

# File 'ext/socket/constdefs.c', line 4342
```
INTEGER2NUM(TCP_NODELAY)
```
TCP_NOOPT =

Don’t use TCP options

# File 'ext/socket/constdefs.c', line 4414
```
INTEGER2NUM(TCP_NOOPT)
```
TCP_NOPUSH =

Don’t push the last block of write

# File 'ext/socket/constdefs.c', line 4420
```
INTEGER2NUM(TCP_NOPUSH)
```
TCP_QUEUE_SEQ =

Sequence of a queue for repair mode (Linux 3.5, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4462
```
INTEGER2NUM(TCP_QUEUE_SEQ)
```
TCP_QUICKACK =

Enable quickack mode (Linux 2.4.4, glibc 2.3)

# File 'ext/socket/constdefs.c', line 4426
```
INTEGER2NUM(TCP_QUICKACK)
```
TCP_REPAIR =

Repair mode (Linux 3.5, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4468
```
INTEGER2NUM(TCP_REPAIR)
```
TCP_REPAIR_OPTIONS =

Options for repair mode (Linux 3.5, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4474
```
INTEGER2NUM(TCP_REPAIR_OPTIONS)
```
TCP_REPAIR_QUEUE =

Queue for repair mode (Linux 3.5, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4480
```
INTEGER2NUM(TCP_REPAIR_QUEUE)
```
TCP_SYNCNT =

Number of SYN retransmits before a connection is dropped (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4432
```
INTEGER2NUM(TCP_SYNCNT)
```
TCP_THIN_DUPACK =

Duplicated acknowledgments handling for thin-streams (Linux 2.6.34, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4486
```
INTEGER2NUM(TCP_THIN_DUPACK)
```
TCP_THIN_LINEAR_TIMEOUTS =

Linear timeouts for thin-streams (Linux 2.6.34, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4492
```
INTEGER2NUM(TCP_THIN_LINEAR_TIMEOUTS)
```
TCP_TIMESTAMP =

TCP timestamp (Linux 3.9, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4498
```
INTEGER2NUM(TCP_TIMESTAMP)
```
TCP_USER_TIMEOUT =

Max timeout before a TCP connection is aborted (Linux 2.6.37, glibc 2.18)

# File 'ext/socket/constdefs.c', line 4504
```
INTEGER2NUM(TCP_USER_TIMEOUT)
```
TCP_WINDOW_CLAMP =

Clamp the size of the advertised window (Linux 2.4, glibc 2.2)

# File 'ext/socket/constdefs.c', line 4438
```
INTEGER2NUM(TCP_WINDOW_CLAMP)
```
UDP_CORK =

Don’t send partial frames (Linux 2.5.44, glibc 2.11)

# File 'ext/socket/constdefs.c', line 4510
```
INTEGER2NUM(UDP_CORK)
```