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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 | /* Copyright (C) 1991-2001, 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _NETINET_IN_H #define _NETINET_IN_H 1 #include <features.h> #include <stdint.h> #include <sys/socket.h> #include <bits/types.h> __BEGIN_DECLS /* Standard well-defined IP protocols. */ enum { IPPROTO_IP = 0, /* Dummy protocol for TCP. */ #define IPPROTO_IP IPPROTO_IP IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */ #define IPPROTO_HOPOPTS IPPROTO_HOPOPTS 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 header. */ #define IPPROTO_IPV6 IPPROTO_IPV6 IPPROTO_ROUTING = 43, /* IPv6 routing header. */ #define IPPROTO_ROUTING IPPROTO_ROUTING IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */ #define IPPROTO_FRAGMENT IPPROTO_FRAGMENT IPPROTO_RSVP = 46, /* Reservation Protocol. */ #define IPPROTO_RSVP IPPROTO_RSVP IPPROTO_GRE = 47, /* General Routing Encapsulation. */ #define IPPROTO_GRE IPPROTO_GRE IPPROTO_ESP = 50, /* encapsulating security payload. */ #define IPPROTO_ESP IPPROTO_ESP IPPROTO_AH = 51, /* authentication header. */ #define IPPROTO_AH IPPROTO_AH IPPROTO_ICMPV6 = 58, /* ICMPv6. */ #define IPPROTO_ICMPV6 IPPROTO_ICMPV6 IPPROTO_NONE = 59, /* IPv6 no next header. */ #define IPPROTO_NONE IPPROTO_NONE IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */ #define IPPROTO_DSTOPTS IPPROTO_DSTOPTS IPPROTO_MTP = 92, /* Multicast Transport Protocol. */ #define IPPROTO_MTP IPPROTO_MTP 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 Transmission Protocol. */ #define IPPROTO_SCTP IPPROTO_SCTP IPPROTO_UDPLITE = 136, /* UDP-Lite protocol. */ #define IPPROTO_UDPLITE IPPROTO_UDPLITE IPPROTO_RAW = 255, /* Raw IP packets. */ #define IPPROTO_RAW IPPROTO_RAW IPPROTO_MAX }; /* Type to represent a port. */ typedef uint16_t in_port_t; /* Standard well-known ports. */ enum { IPPORT_ECHO = 7, /* Echo service. */ IPPORT_DISCARD = 9, /* Discard transmissions service. */ IPPORT_SYSTAT = 11, /* System status service. */ IPPORT_DAYTIME = 13, /* Time of day service. */ IPPORT_NETSTAT = 15, /* Network status service. */ IPPORT_FTP = 21, /* File Transfer Protocol. */ IPPORT_TELNET = 23, /* Telnet protocol. */ IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */ IPPORT_TIMESERVER = 37, /* Timeserver service. */ IPPORT_NAMESERVER = 42, /* Domain Name Service. */ IPPORT_WHOIS = 43, /* Internet Whois service. */ IPPORT_MTP = 57, IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */ IPPORT_RJE = 77, IPPORT_FINGER = 79, /* Finger service. */ IPPORT_TTYLINK = 87, IPPORT_SUPDUP = 95, /* SUPDUP protocol. */ IPPORT_EXECSERVER = 512, /* execd service. */ IPPORT_LOGINSERVER = 513, /* rlogind service. */ IPPORT_CMDSERVER = 514, IPPORT_EFSSERVER = 520, /* UDP ports. */ IPPORT_BIFFUDP = 512, IPPORT_WHOSERVER = 513, IPPORT_ROUTESERVER = 520, /* Ports less than this value are reserved for privileged processes. */ IPPORT_RESERVED = 1024, /* Ports greater this value are reserved for (non-privileged) servers. */ IPPORT_USERRESERVED = 5000 }; /* Internet address. */ typedef uint32_t in_addr_t; struct in_addr { in_addr_t s_addr; }; /* 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) ((((in_addr_t)(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) ((((in_addr_t)(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) ((((in_addr_t)(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) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) #define IN_MULTICAST(a) IN_CLASSD(a) #define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) #define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) /* Address to accept any incoming messages. */ #define INADDR_ANY ((in_addr_t) 0x00000000) /* Address to send to all hosts. */ #define INADDR_BROADCAST ((in_addr_t) 0xffffffff) /* Address indicating an error return. */ #define INADDR_NONE ((in_addr_t) 0xffffffff) /* Network number for local host loopback. */ #define IN_LOOPBACKNET 127 /* Address to loopback in software to local host. */ #ifndef INADDR_LOOPBACK # define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) /* Inet 127.0.0.1. */ #endif /* Defines for Multicast INADDR. */ #define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000) /* 224.0.0.0 */ #define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001) /* 224.0.0.1 */ #define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002) /* 224.0.0.2 */ #define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) /* 224.0.0.255 */ #if defined __UCLIBC_HAS_IPV6__ || !defined __UCLIBC_STRICT_HEADERS__ /* IPv6 address */ struct in6_addr { union { uint8_t __u6_addr8[16]; #if defined __USE_MISC || defined __USE_GNU uint16_t __u6_addr16[8]; uint32_t __u6_addr32[4]; #endif } __in6_u; #define s6_addr __in6_u.__u6_addr8 #if defined __USE_MISC || defined __USE_GNU # define s6_addr16 __in6_u.__u6_addr16 # define s6_addr32 __in6_u.__u6_addr32 #endif }; #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } } #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } #define INET6_ADDRSTRLEN 46 #endif #ifdef __UCLIBC_HAS_IPV6__ extern const struct in6_addr in6addr_any; /* :: */ extern const struct in6_addr in6addr_loopback; /* ::1 */ libc_hidden_proto(in6addr_loopback) #endif #define INET_ADDRSTRLEN 16 #if 1 /*def __UCLIBC_HAS_IPV4__*/ /* Structure describing an Internet socket address. */ struct sockaddr_in { __SOCKADDR_COMMON (sin_); in_port_t sin_port; /* Port number. */ struct in_addr sin_addr; /* Internet address. */ /* Pad to size of `struct sockaddr'. */ unsigned char sin_zero[sizeof (struct sockaddr) - __SOCKADDR_COMMON_SIZE - sizeof (in_port_t) - sizeof (struct in_addr)]; }; #endif #if defined __UCLIBC_HAS_IPV6__ || !defined __UCLIBC_STRICT_HEADERS__ /* Ditto, for IPv6. */ struct sockaddr_in6 { __SOCKADDR_COMMON (sin6_); in_port_t sin6_port; /* Transport layer port # */ uint32_t sin6_flowinfo; /* IPv6 flow information */ struct in6_addr sin6_addr; /* IPv6 address */ uint32_t sin6_scope_id; /* IPv6 scope-id */ }; #endif #if defined __USE_MISC || defined __USE_GNU /* IPv4 multicast request. */ struct ip_mreq { /* IP multicast address of group. */ struct in_addr imr_multiaddr; /* Local IP address of interface. */ struct in_addr imr_interface; }; struct ip_mreq_source { /* IP multicast address of group. */ struct in_addr imr_multiaddr; /* IP address of source. */ struct in_addr imr_interface; /* IP address of interface. */ struct in_addr imr_sourceaddr; }; #endif #if defined __UCLIBC_HAS_IPV6__ || !defined __UCLIBC_STRICT_HEADERS__ /* Likewise, for IPv6. */ struct ipv6_mreq { /* IPv6 multicast address of group */ struct in6_addr ipv6mr_multiaddr; /* local interface */ unsigned int ipv6mr_interface; }; #endif #if defined __USE_MISC || defined __USE_GNU /* Multicast group request. */ struct group_req { /* Interface index. */ uint32_t gr_interface; /* Group address. */ struct sockaddr_storage gr_group; }; struct group_source_req { /* Interface index. */ uint32_t gsr_interface; /* Group address. */ struct sockaddr_storage gsr_group; /* Source address. */ struct sockaddr_storage gsr_source; }; /* Full-state filter operations. */ struct ip_msfilter { /* IP multicast address of group. */ struct in_addr imsf_multiaddr; /* Local IP address of interface. */ struct in_addr imsf_interface; /* Filter mode. */ uint32_t imsf_fmode; /* Number of source addresses. */ uint32_t imsf_numsrc; /* Source addresses. */ struct in_addr imsf_slist[1]; }; #define IP_MSFILTER_SIZE(numsrc) (sizeof (struct ip_msfilter) \ - sizeof (struct in_addr) \ + (numsrc) * sizeof (struct in_addr)) struct group_filter { /* Interface index. */ uint32_t gf_interface; /* Group address. */ struct sockaddr_storage gf_group; /* Filter mode. */ uint32_t gf_fmode; /* Number of source addresses. */ uint32_t gf_numsrc; /* Source addresses. */ struct sockaddr_storage gf_slist[1]; }; #define GROUP_FILTER_SIZE(numsrc) (sizeof (struct group_filter) \ - sizeof (struct sockaddr_storage) \ + ((numsrc) \ * sizeof (struct sockaddr_storage))) #endif /* Get system-specific definitions. */ #include <bits/in.h> /* Functions to convert between host and network byte order. Please note that these functions normally take `unsigned long int' or `unsigned short int' values as arguments and also return them. But this was a short-sighted decision since on different systems the types may have different representations but the values are always the same. */ extern uint32_t ntohl (uint32_t __netlong) __THROW __attribute__ ((__const__)); libc_hidden_proto(ntohl) extern uint16_t ntohs (uint16_t __netshort) __THROW __attribute__ ((__const__)); libc_hidden_proto(ntohs) extern uint32_t htonl (uint32_t __hostlong) __THROW __attribute__ ((__const__)); libc_hidden_proto(htonl) extern uint16_t htons (uint16_t __hostshort) __THROW __attribute__ ((__const__)); libc_hidden_proto(htons) #include <endian.h> /* Get machine dependent optimized versions of byte swapping functions. */ #include <bits/byteswap.h> #ifdef __OPTIMIZE__ /* We can optimize calls to the conversion functions. Either nothing has to be done or we are using directly the byte-swapping functions which often can be inlined. */ # if __BYTE_ORDER == __BIG_ENDIAN /* The host byte order is the same as network byte order, so these functions are all just identity. */ # define ntohl(x) (x) # define ntohs(x) (x) # define htonl(x) (x) # define htons(x) (x) # else # if __BYTE_ORDER == __LITTLE_ENDIAN # define ntohl(x) __bswap_32 (x) # define ntohs(x) __bswap_16 (x) # define htonl(x) __bswap_32 (x) # define htons(x) __bswap_16 (x) # endif # endif #endif #if defined __UCLIBC_HAS_IPV6__ || !defined __UCLIBC_STRICT_HEADERS__ #define IN6_IS_ADDR_UNSPECIFIED(a) \ (((const uint32_t *) (a))[0] == 0 \ && ((const uint32_t *) (a))[1] == 0 \ && ((const uint32_t *) (a))[2] == 0 \ && ((const uint32_t *) (a))[3] == 0) #define IN6_IS_ADDR_LOOPBACK(a) \ (((const uint32_t *) (a))[0] == 0 \ && ((const uint32_t *) (a))[1] == 0 \ && ((const uint32_t *) (a))[2] == 0 \ && ((const uint32_t *) (a))[3] == htonl (1)) #define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff) #define IN6_IS_ADDR_LINKLOCAL(a) \ ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \ == htonl (0xfe800000)) #define IN6_IS_ADDR_SITELOCAL(a) \ ((((const uint32_t *) (a))[0] & htonl (0xffc00000)) \ == htonl (0xfec00000)) #define IN6_IS_ADDR_V4MAPPED(a) \ ((((const uint32_t *) (a))[0] == 0) \ && (((const uint32_t *) (a))[1] == 0) \ && (((const uint32_t *) (a))[2] == htonl (0xffff))) #define IN6_IS_ADDR_V4COMPAT(a) \ ((((const uint32_t *) (a))[0] == 0) \ && (((const uint32_t *) (a))[1] == 0) \ && (((const uint32_t *) (a))[2] == 0) \ && (ntohl (((const uint32_t *) (a))[3]) > 1)) #define IN6_ARE_ADDR_EQUAL(a,b) \ ((((const uint32_t *) (a))[0] == ((const uint32_t *) (b))[0]) \ && (((const uint32_t *) (a))[1] == ((const uint32_t *) (b))[1]) \ && (((const uint32_t *) (a))[2] == ((const uint32_t *) (b))[2]) \ && (((const uint32_t *) (a))[3] == ((const uint32_t *) (b))[3])) #endif #if defined __USE_MISC || defined __USE_GNU /* Bind socket to a privileged IP port. */ extern int bindresvport (int __sockfd, struct sockaddr_in *__sock_in) __THROW; libc_hidden_proto(bindresvport) # if 0 /*def __UCLIBC_HAS_IPV6__*/ /* The IPv6 version of this function. */ extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in) __THROW; # endif #endif #if defined __UCLIBC_HAS_IPV6__ || !defined __UCLIBC_STRICT_HEADERS__ #define IN6_IS_ADDR_MC_NODELOCAL(a) \ (IN6_IS_ADDR_MULTICAST(a) \ && ((((const uint8_t *) (a))[1] & 0xf) == 0x1)) #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ (IN6_IS_ADDR_MULTICAST(a) \ && ((((const uint8_t *) (a))[1] & 0xf) == 0x2)) #define IN6_IS_ADDR_MC_SITELOCAL(a) \ (IN6_IS_ADDR_MULTICAST(a) \ && ((((const uint8_t *) (a))[1] & 0xf) == 0x5)) #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ (IN6_IS_ADDR_MULTICAST(a) \ && ((((const uint8_t *) (a))[1] & 0xf) == 0x8)) #define IN6_IS_ADDR_MC_GLOBAL(a) \ (IN6_IS_ADDR_MULTICAST(a) \ && ((((const uint8_t *) (a))[1] & 0xf) == 0xe)) #endif #ifdef __USE_GNU # if defined __UCLIBC_HAS_IPV6__ || !defined __UCLIBC_STRICT_HEADERS__ /* IPv6 packet information. */ struct in6_pktinfo { struct in6_addr ipi6_addr; /* src/dst IPv6 address */ unsigned int ipi6_ifindex; /* send/recv interface index */ }; /* IPv6 MTU information. */ struct ip6_mtuinfo { struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ uint32_t ip6m_mtu; /* path MTU in host byte order */ }; # if 0 /* Obsolete hop-by-hop and Destination Options Processing (RFC 2292). */ extern int inet6_option_space (int __nbytes) __THROW __attribute_deprecated__; extern int inet6_option_init (void *__bp, struct cmsghdr **__cmsgp, int __type) __THROW __attribute_deprecated__; extern int inet6_option_append (struct cmsghdr *__cmsg, const uint8_t *__typep, int __multx, int __plusy) __THROW __attribute_deprecated__; extern uint8_t *inet6_option_alloc (struct cmsghdr *__cmsg, int __datalen, int __multx, int __plusy) __THROW __attribute_deprecated__; extern int inet6_option_next (const struct cmsghdr *__cmsg, uint8_t **__tptrp) __THROW __attribute_deprecated__; extern int inet6_option_find (const struct cmsghdr *__cmsg, uint8_t **__tptrp, int __type) __THROW __attribute_deprecated__; /* Hop-by-Hop and Destination Options Processing (RFC 3542). */ extern int inet6_opt_init (void *__extbuf, socklen_t __extlen) __THROW; extern int inet6_opt_append (void *__extbuf, socklen_t __extlen, int __offset, uint8_t __type, socklen_t __len, uint8_t __align, void **__databufp) __THROW; extern int inet6_opt_finish (void *__extbuf, socklen_t __extlen, int __offset) __THROW; extern int inet6_opt_set_val (void *__databuf, int __offset, void *__val, socklen_t __vallen) __THROW; extern int inet6_opt_next (void *__extbuf, socklen_t __extlen, int __offset, uint8_t *__typep, socklen_t *__lenp, void **__databufp) __THROW; extern int inet6_opt_find (void *__extbuf, socklen_t __extlen, int __offset, uint8_t __type, socklen_t *__lenp, void **__databufp) __THROW; extern int inet6_opt_get_val (void *__databuf, int __offset, void *__val, socklen_t __vallen) __THROW; /* Routing Header Option (RFC 3542). */ extern socklen_t inet6_rth_space (int __type, int __segments) __THROW; extern void *inet6_rth_init (void *__bp, socklen_t __bp_len, int __type, int __segments) __THROW; extern int inet6_rth_add (void *__bp, const struct in6_addr *__addr) __THROW; extern int inet6_rth_reverse (const void *__in, void *__out) __THROW; extern int inet6_rth_segments (const void *__bp) __THROW; extern struct in6_addr *inet6_rth_getaddr (const void *__bp, int __index) __THROW; # endif # endif # if 0 /* Multicast source filter support. */ /* Get IPv4 source filter. */ extern int getipv4sourcefilter (int __s, struct in_addr __interface_addr, struct in_addr __group, uint32_t *__fmode, uint32_t *__numsrc, struct in_addr *__slist) __THROW; /* Set IPv4 source filter. */ extern int setipv4sourcefilter (int __s, struct in_addr __interface_addr, struct in_addr __group, uint32_t __fmode, uint32_t __numsrc, const struct in_addr *__slist) __THROW; /* Get source filter. */ extern int getsourcefilter (int __s, uint32_t __interface_addr, const struct sockaddr *__group, socklen_t __grouplen, uint32_t *__fmode, uint32_t *__numsrc, struct sockaddr_storage *__slist) __THROW; /* Set source filter. */ extern int setsourcefilter (int __s, uint32_t __interface_addr, const struct sockaddr *__group, socklen_t __grouplen, uint32_t __fmode, uint32_t __numsrc, const struct sockaddr_storage *__slist) __THROW; # endif #endif /* use GNU */ __END_DECLS #endif /* netinet/in.h */ |