src/sockets/grovel.lisp

   1 ;;;; -*- Mode: Lisp; indent-tabs-mode: nil -*-
   2 ;;;
   3 ;;; --- Grovelling for socket constants and types.
   4 ;;;
   5 ;;; Copyright (C) 2005-2006, Emily Backes  <lucca@accela.net>
   6 ;;; Copyright (C) 2005-2006, Dan Knapp  <dankna@accela.net>
   7 ;;; Copyright (C) 2007, Stelian Ionescu  <sionescu@cddr.org>
   8 ;;; Copyright (C) 2007, Luis Oliveira  <loliveira@common-lisp.net>
   9 ;;;
  10 ;;; Permission is hereby granted, free of charge, to any person
  11 ;;; obtaining a copy of this software and associated documentation
  12 ;;; files (the "Software"), to deal in the Software without
  13 ;;; restriction, including without limitation the rights to use, copy,
  14 ;;; modify, merge, publish, distribute, sublicense, and/or sell copies
  15 ;;; of the Software, and to permit persons to whom the Software is
  16 ;;; furnished to do so, subject to the following conditions:
  17 ;;;
  18 ;;; The above copyright notice and this permission notice shall be
  19 ;;; included in all copies or substantial portions of the Software.
  20 ;;;
  21 ;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 ;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 ;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 ;;; NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  25 ;;; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  26 ;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  27 ;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  28 ;;; DEALINGS IN THE SOFTWARE.
  29
  30 ;;; This file contains a lot of unused types and constants that should
  31 ;;; be cleaned up or at least commented out.
  32
  33 (include "sys/socket.h" "sys/un.h" "netdb.h" "errno.h"
  34          "net/if.h" "netinet/in.h" "netinet/tcp.h" "netinet/ip.h"
  35          #+linux "linux/errqueue.h" #+linux "linux/icmp.h"
  36          "arpa/inet.h")
  37
  38 (in-package :iolib.sockets)
  39
  40 (constantenum socket-error-values
  41   (:eprotonosupport "EPROTONOSUPPORT")
  42   (:esocktnosupport "ESOCKTNOSUPPORT")
  43   (:enotsock "ENOTSOCK")
  44   (:edestaddrreq "EDESTADDRREQ")
  45   (:emsgsize "EMSGSIZE")
  46   (:eprototype "EPROTOTYPE")
  47   (:enoprotoopt "ENOPROTOOPT")
  48   (:eremote "EREMOTE")
  49   (:enolink "ENOLINK")
  50   (:epfnosupport "EPFNOSUPPORT")
  51   (:eafnosupport "EAFNOSUPPORT")
  52   (:eaddrinuse "EADDRINUSE")
  53   (:eaddrnotavail "EADDRNOTAVAIL")
  54   (:enetdown "ENETDOWN")
  55   (:enetunreach "ENETUNREACH")
  56   (:enetreset "ENETRESET")
  57   (:econnaborted "ECONNABORTED")
  58   (:econnreset "ECONNRESET")
  59   (:eisconn "EISCONN")
  60   (:enotconn "ENOTCONN")
  61   (:eshutdown "ESHUTDOWN")
  62   (:etoomanyrefs "ETOOMANYREFS")
  63   (:etimedout "ETIMEDOUT")
  64   (:econnrefused "ECONNREFUSED")
  65   (:ehostdown "EHOSTDOWN")
  66   (:ehostunreach "EHOSTUNREACH")
  67   (:enonet "ENONET" :optional t)
  68   (:enobufs "ENOBUFS")
  69   (:eopnotsupp "EOPNOTSUPP")
  70   (:ebadf "EBADF")
  71   (:einval "EINVAL")
  72   (:enomem "ENOMEM")
  73   (:eacces "EACCES")
  74   (:efault "EFAULT")
  75   (:emfile "EMFILE")
  76   (:einprogress "EINPROGRESS")
  77   (:ealready "EALREADY")
  78   (:eloop "ELOOP")
  79   (:enametoolong "ENAMETOOLONG")
  80   (:enotempty "ENOTEMPTY")
  81   (:eusers "EUSERS")
  82   (:edquot "EDQUOT")
  83   (:estale "ESTALE"))
  84
  85 ;;;; sys/socket.h
  86
  87 (ctype socklen-t "socklen_t")
  88 (ctype sa-family-t "sa_family_t")
  89
  90 ;;; socket() - socket address family
  91 (constant (af-unspec "AF_UNSPEC" "PF_UNSPEC"))
  92 (constant (af-inet "AF_INET" "PF_INET")
  93   :documentation "IPv4 Protocol family")
  94 (constant (af-inet6 "AF_INET6" "PF_INET6")
  95   :documentation "IPv6 Protocol family")
  96 (constant (af-local "AF_UNIX" "AF_LOCAL" "PF_UNIX" "PF_LOCAL")
  97   :documentation "File domain sockets")
  98 (constant (af-packet "AF_PACKET" "PF_PACKET")
  99   :documentation "Raw packet access"
 100   :optional t)
 101 (constant (af-route "AF_ROUTE" "PF_ROUTE")
 102   :documentation "Routing sockets"
 103   :optional t)
 104 (constant (af-key "AF_KEY" "PF_KEY"))
 105 (constant (af-netlink "AF_NETLINK" "PF_NETLINK")
 106   :documentation "Linux Netlink sockets" :optional t)
 107
 108 ;;; socket() - socket type
 109 (constant (sock-stream "SOCK_STREAM")
 110   :documentation "TCP")
 111 (constant (sock-dgram "SOCK_DGRAM")
 112   :documentation "UDP")
 113 (constant (sock-seqpacket "SOCK_SEQPACKET")
 114   :documentation "Reliable Sequenced Datagram Protocol"
 115   :optional t)
 116 (constant (sock-raw "SOCK_RAW")
 117   :documentation "Raw protocol access"
 118   :optional t)
 119 (constant (sock-rdm "SOCK_RDM")
 120   :documentation "Reliable Unordered Datagram Protocol"
 121   :optional t)
 122
 123 ;;; socket() - socket protocol
 124 (constant (ipproto-ip "IPPROTO_IP"))
 125 (constant (ipproto-ipv6 "IPPROTO_IPV6"))
 126 (constant (ipproto-icmp "IPPROTO_ICMP"))
 127 (constant (ipproto-icmpv6 "IPPROTO_ICMPV6"))
 128 (constant (ipproto-raw "IPPROTO_RAW"))
 129 (constant (ipproto-tcp "IPPROTO_TCP"))
 130 (constant (ipproto-udp "IPPROTO_UDP"))
 131 (constant (ipproto-sctp "IPPROTO_SCTP") :optional t)
 132
 133 (cstruct sockaddr "struct sockaddr"
 134   (family "sa_family" :type sa-family-t))
 135
 136 (cstruct sockaddr-storage "struct sockaddr_storage"
 137   (family "ss_family" :type sa-family-t))
 138
 139 (constant (somaxconn "SOMAXCONN")
 140   :documentation "Maximum listen() queue length")
 141
 142 (constant (sol-socket "SOL_SOCKET")
 143   :documentation "get/setsockopt socket level constant.")
 144
 145 (constant (sol-tcp "SOL_TCP")
 146   :documentation "get/setsockopt TCP level constant."
 147   :optional t)
 148 (constant (sol-ip "SOL_IP")
 149   :documentation "get/setsockopt IP level constant."
 150   :optional t)
 151 (constant (sol-raw "SOL_RAW")
 152   :documentation "get/setsockopt raw level constant."
 153   :optional t)
 154
 155 ;;; getsockopt/setsockopt()
 156 (constant (so-acceptconn "SO_ACCEPTCONN"))
 157 (constant (so-acceptfilter "SO_ACCEPTFILTER") :optional t)    ; freebsd
 158 (constant (so-bindtodevice "SO_BINDTODEVICE") :optional t)    ; linux
 159 (constant (so-bintime "SO_BINTIME") :optional t)              ; freebsd
 160 (constant (so-broadcast "SO_BROADCAST"))
 161 (constant (so-debug "SO_DEBUG"))
 162 (constant (so-dontroute "SO_DONTROUTE"))
 163 (constant (so-error "SO_ERROR"))
 164 (constant (so-keepalive "SO_KEEPALIVE"))
 165 (constant (so-label "SO_LABEL") :optional t)                  ; freebsd
 166 (constant (so-linger "SO_LINGER"))
 167 (constant (so-listenincqlen "SO_LISTENINCQLEN") :optional t)  ; freebsd
 168 (constant (so-listenqlen "SO_LISTENQLEN") :optional t)        ; freebsd
 169 (constant (so-listenqlimit "SO_LISTENQLIMIT") :optional t)    ; freebsd
 170 (constant (so-nosigpipe "SO_NOSIGPIPE") :optional t)          ; freebsd
 171 (constant (so-oobinline "SO_OOBINLINE"))
 172 (constant (so-passcred "SO_PASSCRED") :optional t) ; linux
 173 (constant (so-peercred "SO_PEERCRED") :optional t) ; linux
 174 (constant (so-peerlabel "SO_PEERLABEL") :optional t)          ; freebsd
 175 (constant (so-priority "SO_PRIORITY") :optional t) ; linux
 176 (constant (so-rcvbuf "SO_RCVBUF"))
 177 (constant (so-rcvlowat "SO_RCVLOWAT"))
 178 (constant (so-rcvtimeo "SO_RCVTIMEO"))
 179 (constant (so-reuseaddr "SO_REUSEADDR"))
 180 (constant (so-reuseport "SO_REUSEPORT") :optional t)          ; freebsd
 181 (constant (so-sndbuf "SO_SNDBUF"))
 182 (constant (so-sndlowat "SO_SNDLOWAT"))
 183 (constant (so-sndtimeo "SO_SNDTIMEO"))
 184 (constant (so-timestamp "SO_TIMESTAMP"))
 185 (constant (so-type "SO_TYPE"))
 186 (constant (so-useloopback "SO_USELOOPBACK") :optional t)      ; freebsd
 187
 188 ;; TCP options
 189 (constant (tcp-cork "TCP_CORK") :optional t)                  ; linux
 190 (constant (tcp-defer-accept "TCP_DEFER_ACCEPT") :optional t)  ; linux
 191 (constant (tcp-info "TCP_INFO") :optional t)                  ; linux
 192 (constant (tcp-keepcnt "TCP_KEEPCNT") :optional t)            ; linux
 193 (constant (tcp-keepidle "TCP_KEEPIDLE") :optional t)          ; linux
 194 (constant (tcp-keepintvl "TCP_KEEPINTVL") :optional t)        ; linux
 195 (constant (tcp-linger2 "TCP_LINGER2") :optional t)            ; linux
 196 (constant (tcp-maxseg "TCP_MAXSEG") :optional t)              ; linux, freebsd
 197 (constant (tcp-nodelay "TCP_NODELAY") :optional t)            ; linux, freebsd
 198 (constant (tcp-noopt "TCP_NOOPT") :optional t)                ; freebsd
 199 (constant (tcp-nopush "TCP_NOPUSH") :optional t)              ; freebsd
 200 (constant (tcp-quickack "TCP_QUICKACK") :optional t)          ; linux
 201 (constant (tcp-syncnt "TCP_SYNCNT") :optional t)              ; linux
 202 (constant (tcp-window-clamp "TCP_WINDOW_CLAMP") :optional t)  ; linux
 203
 204 ;; IP options
 205 (constant (ip-hdrincl "IP_HDRINCL"))
 206 (constant (ip-recverr "IP_RECVERR") :optional t)
 207
 208 #+linux
 209 (progn
 210   (cenum extended-error-origin
 211     (:none         "SO_EE_ORIGIN_NONE")
 212     (:local        "SO_EE_ORIGIN_LOCAL")
 213     (:icmp         "SO_EE_ORIGIN_ICMP")
 214     (:icmp6        "SO_EE_ORIGIN_ICMP6")
 215     (:timestamping "SO_EE_ORIGIN_TIMESTAMPING"))
 216
 217   (cstruct sock-extended-err "struct sock_extended_err"
 218     (errno  "ee_errno"  :type :uint32)
 219     (origin "ee_origin" :type extended-error-origin)
 220     (type   "ee_type"   :type :uint8)
 221     (code   "ee_code"   :type :uint8)
 222     (info   "ee_info"   :type :uint8)
 223     (data   "ee_data"   :type :uint8)))
 224
 225 ;; RAW options
 226 #+linux
 227 (progn
 228   (constant (icmp-filter "ICMP_FILTER"))
 229
 230   (constantenum (icmp-types :define-constants t)
 231     (:icmp-echo-request "ICMP_ECHO")
 232     (:icmp-echo-reply "ICMP_ECHOREPLY")
 233     (:icmp-dest-unreach "ICMP_DEST_UNREACH")
 234     (:icmp-source-quench "ICMP_SOURCE_QUENCH")
 235     (:icmp-redirect "ICMP_REDIRECT")
 236     (:icmp-time-exceeded "ICMP_TIME_EXCEEDED")
 237     (:icmp-parameter-prob "ICMP_PARAMETERPROB")
 238     (:icmp-timestamp-request "ICMP_TIMESTAMP")
 239     (:icmp-timestamp-reply "ICMP_TIMESTAMPREPLY")
 240     (:icmp-info-request "ICMP_INFO_REQUEST")
 241     (:icmp-info-reply "ICMP_INFO_REPLY")
 242     (:icmp-address-request "ICMP_ADDRESS")
 243     (:icmp-address-reply "ICMP_ADDRESSREPLY"))
 244
 245   (constantenum (icmp-unreach :define-constants t)
 246     (:icmp-net-unreach "ICMP_NET_UNREACH")
 247     (:icmp-host-unreach "ICMP_HOST_UNREACH")
 248     (:icmp-prot-unreach "ICMP_PROT_UNREACH")
 249     (:icmp-port-unreach "ICMP_PORT_UNREACH")
 250     (:icmp-frag-needed "ICMP_FRAG_NEEDED")
 251     (:icmp-sr-failed "ICMP_SR_FAILED")
 252     (:icmp-net-unknown "ICMP_NET_UNKNOWN")
 253     (:icmp-host-unknown "ICMP_HOST_UNKNOWN")
 254     (:icmp-host-isolated "ICMP_HOST_ISOLATED")
 255     (:icmp-net-ano "ICMP_NET_ANO")
 256     (:icmp-host-ano "ICMP_HOST_ANO")
 257     (:icmp-net-unr-tos "ICMP_NET_UNR_TOS")
 258     (:icmp-host-unr-tos "ICMP_HOST_UNR_TOS")
 259     (:icmp-pkt-filtered "ICMP_PKT_FILTERED")
 260     (:icmp-prec-violation "ICMP_PREC_VIOLATION")
 261     (:icmp-prec-cutoff "ICMP_PREC_CUTOFF"))
 262
 263   (constantenum (icmp-redirect :define-constants t)
 264     (:icmp-redir-net "ICMP_REDIR_NET")
 265     (:icmp-redir-host "ICMP_REDIR_HOST")
 266     (:icmp-redir-nettos "ICMP_REDIR_NETTOS")
 267     (:icmp-redir-hosttos "ICMP_REDIR_HOSTTOS"))
 268
 269   (constantenum (icmp-time-exceeded :define-constants t)
 270     (:icmp-exc-ttl "ICMP_EXC_TTL")
 271     (:icmp-exc-fragtime "ICMP_EXC_FRAGTIME")))
 272
 273 ;;; shutdown()
 274 (constant (shut-rd "SHUT_RD" "SD_RECEIVE"))
 275 (constant (shut-wr "SHUT_WR" "SD_SEND"))
 276 (constant (shut-rdwr "SHUT_RDWR" "SD_BOTH"))
 277
 278 ;;; recvmsg/sendmsg()
 279 (constant (msg-dontroute "MSG_DONTROUTE"))            ;         sendmsg
 280 (constant (msg-oob "MSG_OOB"))                        ; recvmsg sendmsg
 281 (constant (msg-peek "MSG_PEEK"))                      ; recvmsg
 282 (constant (msg-errqueue "MSG_ERRQUEUE") :optional t)  ; recvmsg
 283 (constant (msg-more "MSG_MORE") :optional t)          ;         sendmsg
 284 (constant (msg-confirm "MSG_CONFIRM") :optional t)    ; sendmsg sendmsg
 285 (constant (msg-proxy "MSG_PROXY") :optional t)        ;
 286 (constant (msg-fin "MSG_FIN") :optional t)            ;
 287 (constant (msg-syn "MSG_SYN") :optional t)            ;
 288 (constant (msg-eof "MSG_EOF") :optional t)            ;
 289 (constant (msg-nbio "MSG_NBIO") :optional t)          ;
 290 (constant (msg-compat "MSG_COMPAT") :optional t)      ;
 291 (constant (msg-trunc "MSG_TRUNC"))                    ; recvmsg
 292 (constant (msg-waitall "MSG_WAITALL"))                ; recvmsg
 293 (constant (msg-dontwait "MSG_DONTWAIT"))              ; recvmsg sendmsg
 294 (constant (msg-nosignal "MSG_NOSIGNAL") :optional t)  ;         sendmsg
 295 (constant (msg-eor "MSG_EOR"))                        ; recvmsg sendmsg
 296 (constant (msg-ctrunc "MSG_CTRUNC"))                  ; recvmsg
 297
 298 (cstruct msghdr "struct msghdr"
 299   (name       "msg_name"       :type :pointer)
 300   (namelen    "msg_namelen"    :type socklen-t)
 301   (iov        "msg_iov"        :type :pointer)
 302   (iovlen     "msg_iovlen"     :type size-t)
 303   (control    "msg_control"    :type :pointer)
 304   (controllen "msg_controllen" :type socklen-t)
 305   (flags      "msg_flags"      :type :int))
 306
 307 (cstruct cmsghdr "struct cmsghdr"
 308   (len   "cmsg_len"   :type socklen-t)
 309   (level "cmsg_level" :type :int)
 310   (type  "cmsg_type"  :type :int))
 311
 312 #-(and) ; unused
 313 (constant (cmgroup-max "CMGROUP_MAX") :optional t)
 314
 315 #+(or (or) freebsd) ; unused
 316 (cstruct cmsgcred "struct cmsgcred"
 317   (pid     "cmcred_pid"     :type pid-t)
 318   (uid     "cmcred_uid"     :type uid-t)
 319   (euid    "cmcred_euid"    :type uid-t)
 320   (gid     "cmcred_gid"     :type gid-t)
 321   (ngroups "cmcred_ngroups" :type :short)
 322   (groups  "cmcred_groups"  :type gid-t :count :auto))
 323
 324 (constant (scm-rights "SCM_RIGHTS"))
 325 (constant (scm-credentials "SCM_CREDENTIALS") :optional t)
 326
 327 #+(and nil linux)
 328 (cstruct ucred "struct ucred"
 329   "Socket credential messages."
 330   (pid "pid" :type pid-t)
 331   (uid "uid" :type uid-t)
 332   (gid "gid" :type gid-t))
 333
 334 #+(and nil freebsd)
 335 (cstruct sockcred "struct sockcred"
 336   (uid     "sc_uid"     :type uid-t)
 337   (euid    "sc_euid"    :type uid-t)
 338   (gid     "sc_gid"     :type gid-t)
 339   (egid    "sc_egid"    :type gid-t)
 340   (ngroups "sc_ngroups" :type :int)
 341   (groups  "sc_groups"  :type gid-t :count :auto))
 342
 343 (cstruct linger "struct linger"
 344   "SO_LINGER manipulation record."
 345   (onoff  "l_onoff"  :type :int)
 346   (linger "l_linger" :type :int))
 347
 348 #+freebsd
 349 (cstruct accept-filter-arg "struct accept_filter_arg"
 350   (name "af_name" :type :uint8 :count :auto)
 351   (arg  "af_arg"  :type :uint8 :count :auto))
 352
 353 ;;;; from sys/un.h
 354
 355 (cstruct sockaddr-un "struct sockaddr_un"
 356   "A UNIX-domain socket address."
 357   (family "sun_family" :type sa-family-t)
 358   (path   "sun_path"   :type :uint8 :count :auto))
 359
 360 #+freebsd
 361 (progn
 362   (constant (local-peercred "LOCAL_PEERCRED"))
 363   (constant (local-creds "LOCAL_CREDS"))
 364   (constant (local-connwait "LOCAL_CONNWAIT")))
 365
 366 ;;;; from netinet/in.h
 367
 368 (ctype in-port-t "in_port_t")
 369 (ctype in-addr-t "in_addr_t")
 370
 371 (cstruct sockaddr-in "struct sockaddr_in"
 372   "An IPv4 socket address."
 373   (family "sin_family" :type sa-family-t)
 374   (port   "sin_port"   :type in-port-t)
 375   (addr   "sin_addr"   :type in-addr-t))
 376
 377 (cstruct in-addr-struct "struct in_addr"
 378   (addr "s_addr" :type :uint32))
 379
 380 (cunion in6-addr "struct in6_addr"
 381   "An IPv6 address."
 382   (addr8  "s6_addr"   :type :uint8  :count :auto))
 383
 384 (cstruct sockaddr-in6 "struct sockaddr_in6"
 385   "An IPv6 socket address."
 386   (family   "sin6_family"   :type sa-family-t)
 387   (port     "sin6_port"     :type in-port-t)
 388   (flowinfo "sin6_flowinfo" :type :uint32)
 389   (addr     "sin6_addr"     :type in6-addr)
 390   (scope-id "sin6_scope_id" :type :uint32))
 391
 392 #-(and) ; unused
 393 (progn
 394   (constant (inaddr-any "INADDR_ANY"))
 395   (constant (inaddr-broadcast "INADDR_BROADCAST"))
 396   (constant (inaddr-none "INADDR_NONE"))
 397   (constant (in-loopbacknet "IN_LOOPBACKNET"))
 398   (constant (inaddr-loopback "INADDR_LOOPBACK"))
 399   (constant (inaddr-unspec-group "INADDR_UNSPEC_GROUP"))
 400   (constant (inaddr-allhosts-group "INADDR_ALLHOSTS_GROUP"))
 401   (constant (inaddr-allrtrs-group "INADDR_ALLRTRS_GROUP"))
 402   (constant (inaddr-max-local-group "INADDR_MAX_LOCAL_GROUP")))
 403
 404 (constant (inet-addrstrlen "INET_ADDRSTRLEN"))
 405 (constant (inet6-addrstrlen "INET6_ADDRSTRLEN"))
 406
 407 (constant (ipv6-join-group "IPV6_JOIN_GROUP"))
 408 (constant (ipv6-leave-group "IPV6_LEAVE_GROUP"))
 409 (constant (ipv6-multicast-hops "IPV6_MULTICAST_HOPS"))
 410 (constant (ipv6-multicast-if "IPV6_MULTICAST_IF"))
 411 (constant (ipv6-multicast-loop "IPV6_MULTICAST_LOOP"))
 412 (constant (ipv6-unicast-hops "IPV6_UNICAST_HOPS"))
 413 (constant (ipv6-v6only "IPV6_V6ONLY"))
 414
 415 ;;;; from netinet/tcp.h
 416
 417 #+linux
 418 (cenum connstates
 419   (:tcp-established "TCP_ESTABLISHED")
 420   (:tcp-syn-sent "TCP_SYN_SENT")
 421   (:tcp-syn-recv "TCP_SYN_RECV")
 422   (:tcp-fin-wait1 "TCP_FIN_WAIT1")
 423   (:tcp-fin-wait2 "TCP_FIN_WAIT2")
 424   (:tcp-time-wait "TCP_TIME_WAIT")
 425   (:tcp-close "TCP_CLOSE")
 426   (:tcp-close-wait "TCP_CLOSE_WAIT")
 427   (:tcp-last-ack "TCP_LAST_ACK")
 428   (:tcp-listen "TCP_LISTEN")
 429   (:tcp-closing "TCP_CLOSING"))
 430
 431 ;;;; from net/if.h
 432
 433 (cstruct if-nameindex "struct if_nameindex"
 434   (index "if_index" :type :unsigned-int)
 435   (name  "if_name"  :type :string))
 436
 437 (constant (ifnamesize "IF_NAMESIZE"))
 438 (constant (ifnamsiz "IFNAMSIZ"))
 439
 440 (cstruct ifreq "struct ifreq"
 441   (name "ifr_name" :type :char :count :auto))