671 lines
291 KiB
Plaintext
671 lines
291 KiB
Plaintext
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rust
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FŠ #rustc 1.96.0 (ac68faa20 2026-05-25)ÁÀ뉊 ]!ÜÛê(¹Þ—šên -5be7b69c3ff7b5b8Á íàÄTËŸ ÜJîÄ)'ß\¥! -3d1337db07d0b3aeÁ ¤²XctÔ'ÐÓ©z¨É½Ó -a4945860e1c53b00Á ¤°ð ¾ä-±($²ï=©Ã -7e98a21bfd32b0edÁ–�òÖÀH•‘P IÓHã#£ -055f30b747f859b6Á rustc_std_workspace_coreÁCçß^ò½èÝ$Çÿ+Cé -c4878ee60b2242c9Á ŸÃï+Ñ]ŠqB<ÏïW# -8dd1dd90e70d0b6aÁ miniz_oxideÁ€š»J(P>àö÷g\K -1eb618da2918ab7fÁ adler2ÁÆ;+Þ®5¥ÌýÝ°¦ÛLˆ -f7919172d268e069Á hashbrownÁPäV9ÒÆèÜ�"ÊÖVŽ\ -0fc2184a5da6723aÁ rustc_std_workspace_allocÁs&ØòØy¯s•bæ!‰ýŠ -97e4bf30be240674Á
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std_detectÁhŠBîÙºÌI®Ë�Å�š -9dbbf8346ba7ac8bÁ rustc_demangleÁûë9´Ç×@Œ�’ùXFº -f33013f239bf9f14Á cfg_ifÁÜLh�ž§Œaã¯>� -0a71c8f33a838301Á addr2lineÁ׎Þ!]8V$É@@T· -e618e6be60e87ba2Á gimliÁ¸
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°µ~Î1‹Ñt ðÁ€w -1f7768a68858f670Á objectÁ
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áPÃ?À¶¼QHJ¥� -914cd6a4dbe590d1Á memchrÁ›º«8Ór2Ù $¨ûib‚ -cf21ca6f2bb15dcdÁë
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‹ás «LÖ€îâƒ×ɯŒ -ee6f3747e38367f0Á–Ú+ z˜ÖËó>zj–„÷“ -8f89ea8b6e77f2aaÁ SOCKADDR_IN6_0Átå â <® testsÁ,‰h ‚ $þg N
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FromRawSocketÁl¹â <”N
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IntoRawSocketÁlÈâ "‡ AsRawSocketÁ\Èâ <£‡ AsSocketÁDÕâ ‡§lßâ .0Ÿ
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NonZeroU32ÁTØ»£|ÕŸ NonZeroUsizeÁd® »£|óŸ RawFdÁ,± »£|í Ÿ UnixDatagramÁd¼
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»£|‘
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Ÿ UnixListenerÁdÊ
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»£BDŸ SOCK_DCCPÁL컣|¯Ÿ SOCK_RAWÁDÞ»£|�Ÿ SOCK_SEQPACKETÁtµ»£|òŸ IPPROTO_DCCPÁdÓ»£|–Ÿ IPPROTO_SCTPÁd„»£|«Ÿ IPPROTO_UDPLITEÁ|Ô»£|¡Ÿ IPPROTO_DIVERTÁt°»£|ÕŸ IPV6_RECVHOPLIMITÁŒû »£|Ô Ÿ
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IP_HDRINCLÁTÎ$»£|ñ#Ÿ SO_LINGERÁL‘,ú iosÁŒì*ú visionosÁ´ƒ+ú macosÁœŸ+ú tvosÁ”¸+ú watchosÁ¬Ð+üæ*‚Ÿ IPV6_ADD_MEMBERSHIPÁœÚ9 ú dragonflyÁ¼ñ6ú freebsdÁ¬Ž7ú haikuÁœ©7ú illumosÁ¬Â7úÉ
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”éKú�¬�Lú cygwinÁ¤œLü—KœŸ TCP_CA_NAME_MAXÁ|‰N»£|¿MŸ IovLenÁ4ÕU ú linuxÁœ«Pî muslÁœÙPî ohosÁœúP î uclibcÁ¬ŸQû 32ÁܶQüžQ4üËP‘ü¡PÁú aixÁŒèQúƼÿQúÛ¬œRú fuchsiaÁ¬·RúîœÒRú hurdÁ”ëRúÿ¬ƒSúÉ
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socketpairÁTËí»£|ê쟋
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\ò†»£|½†Ÿ set_nonblockingÁ|îŠúĔˊŸ keepalive_timeÁtª¸»£|œ¶Ÿ original_dstÁd¡ã»£|³âŸ original_dst_ipv6ÁŒé軣|—èŸ
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CcidEndpointsÁlñ®»£|ä À
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impl_debugÁ ÷ sockaddrÁ
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*æ * try_initÁ ,— ,¥ , STORAGE_SIZEÁ , *ú 1¡ *
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set_lengthÁ * familyÁ * domainÁ *‘ * as_ptrÁ *
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as_storageÁ * is_ipv4Á * is_ipv6Á * is_unixÁ * as_socketÁ * as_socket_ipv4Á * as_socket_ipv6Á * as_bytesÁ @÷ B÷ D÷ F× H� K§ L™ socketÁ N NNNNNNNNN N
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N N N
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NNNNNNNNNNNNNNN N N N N N!N"N SocketÁ r innerÁ N InnerÁ N u from_rawÁ u as_rawÁ u into_rawÁ uæ u new_rawÁ z u bindÁ u connectÁ u connect_timeoutÁ u listenÁ u acceptÁ u
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accept_rawÁ � u
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local_addrÁ u peer_addrÁ u! u try_cloneÁ uº u shutdownÁ u recvÁ u recv_out_of_bandÁ u recv_with_flagsÁ u
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recv_vectoredÁ u recv_vectored_with_flagsÁ u peekÁ u recv_fromÁ u recv_from_with_flagsÁ u recv_from_vectoredÁ u recv_from_vectored_with_flagsÁ u peek_fromÁ u peek_senderÁ u recvmsgÁ u sendÁ u send_with_flagsÁ u
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send_vectoredÁ u send_vectored_with_flagsÁ u send_out_of_bandÁ u send_toÁ u send_to_with_flagsÁ u send_to_vectoredÁ u send_to_vectored_with_flagsÁ u sendmsgÁ N set_common_typeÁ N set_common_flagsÁ N¢ broadcastÁ £ ¢
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set_broadcastÁ ¢
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take_errorÁ ¢ keepaliveÁ § ¢
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set_keepaliveÁ ¢ lingerÁ ¢
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set_lingerÁ ¢ out_of_band_inlineÁ ¬ ¢ set_out_of_band_inlineÁ ¢ passcredÁ ¯ ¢ set_passcredÁ ¢ recv_buffer_sizeÁ ² ¢ set_recv_buffer_sizeÁ ¢ read_timeoutÁ ¢ set_read_timeoutÁ ¢
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reuse_addressÁ · ¢ set_reuse_addressÁ ¢ send_buffer_sizeÁ º ¢ set_send_buffer_sizeÁ ¢
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write_timeoutÁ ¢ set_write_timeoutÁ N from_lingerÁ N into_lingerÁ NÁ join_multicast_v4Á Á leave_multicast_v4Á Á join_multicast_v4_nÁ Á leave_multicast_v4_nÁ Á join_ssm_v4Á Á leave_ssm_v4Á Á multicast_if_v4Á Á set_multicast_if_v4Á Á multicast_loop_v4Á Ê Á set_multicast_loop_v4Á Á multicast_ttl_v4Á Í Á set_multicast_ttl_v4Á Á ttlÁ Ð Á set_ttlÁ Á set_tosÁ Á tosÁ Ô Á set_recv_tosÁ Á recv_tosÁ × NÙ join_multicast_v6Á Ù leave_multicast_v6Á Ù multicast_hops_v6Á Ü Ù set_multicast_hops_v6Á Ù multicast_if_v6Á ß Ù set_multicast_if_v6Á Ù multicast_loop_v6Á â Ù set_multicast_loop_v6Á Ù unicast_hops_v6Á å Ù set_unicast_hops_v6Á Ù only_v6Á è Ù set_only_v6Á Ù recv_tclass_v6Á ë Ù set_recv_tclass_v6Á Nî set_tcp_keepaliveÁ î nodelayÁ ð î set_nodelayÁ Nó readÁ ó
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read_vectoredÁ õ N÷ 'aÁ ÷Þ/ ÷ê/ ú Nü writeÁ ü write_vectoredÁ ü flushÁ N€ˆ0 €«0 €¸0 €Î0 N …× sockrefÁ ‡ ‡‡‡‡‡‡‡‡‡ SockRefÁ ‘ 'sÁ ‘¡ ‘ _lifetimeÁ ‡ •Õ1 •å •´ ‡™Õ1 ™¤ ™÷ ‡�× sysÁ Ÿ ŸŸŸŸŸŸŸŸŸ Ÿ
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ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ Ÿ Ÿ Ÿ Ÿ Ÿ!Ÿ"Ÿ#Ÿ$Ÿ%Ÿ&Ÿ'Ÿ(Ÿ)Ÿ*Ÿ+Ÿ,Ÿ-Ÿ.Ÿ/Ÿ0Ÿ1Ÿ2Ÿ3Ÿ4Ÿ5Ÿ6Ÿ7Ÿ8Ÿ9Ÿ:Ÿ;Ÿ<Ÿ=Ÿ>Ÿ?Ÿ@ŸAŸBŸCŸDŸEŸFŸGŸHŸIŸJŸKŸLŸMŸNŸOŸPŸQŸRŸSŸTŸUŸVŸWŸXŸYŸZŸ[Ÿ\Ÿ]Ÿ^Ÿ_Ÿ`ŸaŸbŸcŸdŸeŸfŸgŸhŸiŸjŸX ŸkŸ syscallÁ ŸÖ Ÿè Ÿ Ÿ‘ _cloexecÁ Ÿ“ is_end_of_recordÁ “ is_out_of_bandÁ Ÿ–× Ÿ MaybeUninitSliceÁ ˜ˆ0 ˜Á ˜ç1 Ÿœˆ0 Ÿžˆ0 Ÿ ˆ0 æ as_sliceÁ as_mut_sliceÁ Ÿ offset_of_pathÁ Ÿ
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unix_sockaddrÁ ŸlŸ set_msghdr_nameÁ Ÿ set_msghdr_iovÁ Ÿ set_msghdr_controlÁ Ÿ set_msghdr_flagsÁ Ÿ msghdr_flagsÁ Ÿ msghdr_control_lenÁ Ÿ®
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is_unnamedÁ ¯ ® as_sockaddr_unÁ ± ® path_lenÁ ®
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path_bytesÁ ® as_unixÁ ® as_pathnameÁ ¶ · ® as_abstract_namespaceÁ ¹ º Ÿº Ÿ socket_from_rawÁ Ÿ
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socket_as_rawÁ Ÿ socket_into_rawÁ Ÿ¡ Ÿ§ Á Ÿ² à Ÿ poll_connectÁ ŸÖ Æ Ÿã È Ÿ getsocknameÁ Ê Ê Ÿ getpeernameÁ Í Í Ÿ Ÿº ŸÄ Ò ŸÓ Ô ŸÉ! Ö × ŸÁ" Ù Ÿ‹! Ÿô! Ü ŸÓ" Þ Ÿá" à Ÿ‚# ŸÌ# ã Ÿó# Ÿ¬$ æ Ÿ timeout_optÁ Ÿ from_timevalÁ Ÿ set_timeout_optÁ Ÿ into_timevalÁ Ÿš/ Ÿ into_secsÁ Ÿ fcntl_getÁ Ÿ fcntl_addÁ ï Ÿ fcntl_removeÁ ñ Ÿ
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getsockoptÁ ó¥ ó Ÿ
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setsockoptÁ ö¥ ö Ÿ
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to_in_addrÁ Ÿ from_in_addrÁ Ÿ to_in6_addrÁ Ÿ
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from_in6_addrÁ Ÿ to_mreqnÁ Ÿþ _accept4Á ÿ þ _set_cloexecÁ Ÿ ‚ as_fdÁ Ÿ
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„ as_raw_fdÁ Ÿ †÷ Ÿ ˆ into_raw_fdÁ Ÿ
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Š÷ ŸŒ from_raw_fdÁ
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“ IPV4Á “ IPV6Á “ UNIXÁ “ for_addressÁ ˜÷ š÷ œ STREAMÁ œ DGRAMÁ Ÿ÷ ¡÷ £ ICMPV4Á £ ICMPV6Á £ TCPÁ £ UDPÁ £ MPTCPÁ ©÷ «÷ is_truncatedÁ å7 ¯
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with_intervalÁ MsgHdrÁ Ä 'addrÁ Ä 'bufsÁ Ä 'controlÁ ÄÇ Ä
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_lifetimesÁ ÊóE Ê€F Ê�F Êæ Ê with_addrÁ Ê with_buffersÁ Ê with_controlÁ Ê
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with_flagsÁ Ó 'nameÁ Ó€F Ó�F Ó× MsgHdrMutÁ ØóE Ø€F Ø�F ØÇ Ø¥F ÞóE Þ€F Þ�F Þæ ÞÛF ÞìF Þ€G Þ flagsÁ Þ control_lenÁ èªG è€F è�F è× man_linksÁ SockAddrÁ î storageÁ î‘ ñƒ N InterfaceIndexOrAddressÁ ó IndexÁ ô
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ôˆ ó AddressÁ ÷
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€÷ N‚÷ N„÷ N†÷ Ÿˆ× ŸŠ× ŸŒ× DomainÁ Ž
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$½u Û¼ ¦š $Šx Û¼ ¦š $ýz Û¼ œq üœuð ¾ ‹{ ’{ Á üït£ µi d…u ל ¶ ל òÛ Š 0 T…€ $Š€ Û¼¦š Ž€ üìA ¾ ל òÛ ¬€ ³€  ü† µi $Ý µi $Ä ¦š $Ê ×œ ® ¦š % ÒM( T t²‹ D·‹ Û¼¦š ¿‹ ü•‹I ¾ ל òÛ Ý‹ ä‹ Ã üΊ– µi $†‹ µi $éŠ ¦š DïŠ ×œ ³ ¦š ² ' ÞM) X ,Æø ó õ & ž^ 1 œq 8 ? <ƒù ó ø & ž^ 1 Ü“ 9 @ ŒÝ: Ž � % éb 0 Õf 7 > |‡E š › % ¡c 0 Õf 7 > œ›R ¦ § % Ùc 0 Õf 7 > ¤¹a ² ³ % ‘d 0 Õf 7 > ü¾f ¯ ° ( ¯ ¯ °å7 ²ˆ ·…�"Åf c ˜ ˜ å7 šÁ Ÿ ›ç1 Ÿ -VÃóü`x¨ £ ª N‡Ÿ¯°ÄØŽ�¦§¾š›²³À × ø ¤, IoSliceÁ<« æL ¼¤\æ • ¼¤ – í � ë Âv\° ÑÛ
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DerefMutÁDí ö! ²™D‡ Ö c_intÁ,Ù4 ¿¬ Ž Ê–IDó4 î �º 4�5 r �Æ1<¦5 ‘ ‘ÈI¼Ö6 ó ’üáÈ» üá- * Utilities for creating and using sockets.Á �ú ü“G D The goal of this crate is to create and use a socket using advancedÁ üÛK H configuration options (those that are not available in the types in theÁ ü§4 1 standard library) without using any unsafe code.Á Üú üàD A This crate provides as direct as possible access to the system'sÁ ü¥B ? functionality for sockets, this means little effort to provideÁ üèM J cross-platform utilities. It is up to the user to know how to use socketsÁ ü¶J G when using this crate. *If you don't know how to create a socket usingÁ ü�H E libc/system calls then this crate is not for you*. Most, if not all,Á üÊI F functions directly relate to the equivalent system call with no errorÁ ü”P M handling applied, so no handling errors such as [`EINTR`]. As a result usingÁ üåP M this crate can be a little wordy, but it should give you maximal flexibilityÁ ü¶ " over configuration of sockets.Á Ù ú üÝ . + [`EINTR`]: std::io::ErrorKind::InterruptedÁ Œ
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ú t�
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# ExamplesÁ Ÿ
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ú l£
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```no_runÁ ü±
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( % # fn main() -> std::io::Result<()> {Á üÚ
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, ) use std::net::{SocketAddr, TcpListener};Á ü‡ ( % use socket2::{Socket, Domain, Type};Á ° ú ü´ 4 1 // Create a TCP listener bound to two addresses.Á üé @ = let socket = Socket::new(Domain::IPV6, Type::STREAM, None)?;Á ª ú ü® socket.set_only_v6(false)?;Á üÎ = : let address: SocketAddr = "[::1]:12345".parse().unwrap();Á üŒ
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" socket.bind(&address.into())?;Á į
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socket.listen(128)?;Á È
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ú üÌ
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. + let listener: TcpListener = socket.into();Á Tû
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// ...Á ¬† # drop(listener);Á tœ # Ok(()) }Á <« ```Á ³ú |· ## FeaturesÁ Çú üËP M This crate has a single feature `all`, which enables all functions even onesÁ üœ& # that are not available on all OSs.Á tÛ N‡Ÿ¯°ÄØŽ�¦§¾š›²³Àk ×l ¤, Ûëe æL ¼¤d • ¼¤w – íd ë Âvc ÑÛ ÄìY “¼ rX é!
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° '± 8 from_raw_socketÁ |³ Â Û 8¡ 4Ã É 8 into_raw_socketÁ |Ê Ù Ú % Œ dé2 Dí2 îŽ$ še Ž e í$$ ë š<* À Âv\3 ÑÛ ÄìTP “¼ ©[d\ ª¼ ƒ\dj ½¼ ă$ˆ …0 × ˜ ¤, ioÁ� ¦ µ ¡ “ ¤í,Œ ¿¬ Ê sa_family_tÁ\“ Å ÙÍD � ! Ú sockaddr_inÁ\ª ˜ " Û sockaddr_in6Ád· ¥ # Ü‚o„Å € $ Ý socklen_tÁL× Ü % Þ AF_INETÁ<â � & Ì AF_INET6ÁDï — ' Í AF_UNIXÁ<ù � ( ΗK4� Ž )—K � )| 6D DE õøèëÛÞ|} Ð ’ Äǵ¸¨«Tú ž¡�„psTW7:&) ôöØÚ½¿l‰ lÍ þZ+,13456789:;<=>? üæN üáC @ Create a `SockAddr` from the underlying storage and its length.Á © ú d± # SafetyÁ  ú üÊK H Caller must ensure that the address family and length match the type ofÁ üšK H storage address. For example if `storage.ss_family` is set to `AF_INET`Á üêK H the `storage` must be initialised as `sockaddr_in`, setting the contentÁ ìº and length appropriately.Á Ü ú tä æö ÷ ú <ÿ ¢ü ü‹ ( ÷ ¤¸ # #[cfg(unix)] {Á „Ñ
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use std::io;Á Œæ use std::mem;Á üü # use std::os::unix::io::AsRawFd;Á ¤
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ú ü¬
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2 / use socket2::{SockAddr, Socket, Domain, Type};Á ã
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ú üë
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@ = let socket = Socket::new(Domain::IPV4, Type::STREAM, None)?;Á ° ú ü¸ ? < // Initialise a `SocketAddr` byte calling `getsockname(2)`.Á üü L I let mut addr_storage: libc::sockaddr_storage = unsafe { mem::zeroed() };Á üÍ E B let mut len = mem::size_of_val(&addr_storage) as libc::socklen_t;Á —
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ú üŸ
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D A // The `getsockname(2)` system call will intiliase `storage` forÁ üè
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/ , // us, setting `len` to the correct length.Á ´œ let res = unsafe {Á Ô· libc::getsockname(Á üÖ socket.as_raw_fd(),Á üúF C (&mut addr_storage as *mut libc::sockaddr_storage).cast(),Á ¬Å &mut len,Á Lß )Á 4í };Á ”ø if res == -1 {Á ü�/ , return Err(io::Error::last_os_error());Á ,à }Á Í ú üÕ> ; let address = unsafe { SockAddr::new(addr_storage, len) };Á ¤˜ # drop(address);Á <± # }Á d½ # Ok(())Á <Î ¬¢ <Ú ¢ü ú øoœqþZ * *
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+ ¦I99‘B9ü¾ — üä; 8 Initialise a `SockAddr` by calling the function `init`.Á ¤ ú ü¬L I The type of the address storage and length passed to the function `init`Á üý is OS/architecture specific.Á ¢ ú üªF C The address is zeroed before `init` is called and is thus valid toÁ üõK H dereference and read from. The length initialised to the maximum lengthÁ œÅ of the storage.Á Ý ú då ±– ö ú üþK Ó– üÎK ¨— üžK ý— ìî ј � ú t˜ æö « ú <³ ¢ü ü¿( ÷ ¤ì ·™ „… Ô™ üš# ˆš  ú üÊ2 Áš � ú ü‰@ ‰› Î ú üÖ? ß› üš let (_, address) = unsafe {Á ü¾0 - SockAddr::try_init(|addr_storage, len| {Á üóL I // The `getsockname(2)` system call will intiliase `storage` forÁ üÄ 7 4 // us, setting `len` to the correct length.Á ü€ V S if libc::getsockname(socket.as_raw_fd(), addr_storage.cast(), len) == -1 {Á üÛ / , Err(io::Error::last_os_error())Á ¤� } else {Á ´¨ Ok(())Á lÃ
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}Á TÕ })Á <ä }?;Á ¤ð �¢ <‰ ¬¢ d• ¼¢ <¦ ¬¢ <² ¢üDÌ ±v�z * — - ¥ . - . * Íì±v Õ Íì–w Ø –"±v·v ü– > ±v·v˜" �{lÇ
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,±v–wº{ê<LN IK ìä dê œq,ã$ , <closure_kind>Á 0 <closure_signature>Á 0 <upvars>Á 0 0 , áxüý(Q üå'L I Constructs a `SockAddr` with the family `AF_UNIX` and the provided path.Á ¶( ú ü¾(: 7 Returns an error if the path is longer than `SUN_LEN`.Á$„) ´„ë… * ¡ 2 2 * Íì´„ ‰) à ´„º„ \Â)
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1´„õ
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ÉB') ü¼+6 ü‘*" Set the length of the address.Á ¸* ú dÀ* ±– Ñ* ú üÙ*I F Caller must ensure that the address up to `length` bytes are properlyÁ „§+
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initialised.ÁTÊ+ Æ ÆþZœq * Õ+ *
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3 $Ú+ lengthÁ4à+ üÂ,) ü›," Returns this address's family.Á4Ï, Ç ÇþZ * Ö, *
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4 $×, üÁ-$ ü˜-$ ! Returns this address's `Domain`.Á4Î- È ÈþZ éb * Õ- *
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5 $Ö- üÖ.$ ü£.. + Returns the size of this address in bytes.Á ã. É ÉþZ œq * ç. *
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6 $è. üÇ/- ü™/) & Returns a raw pointer to the address.Á4Ô/ Ê ÊþZ Á‹ * Û/ *
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7 $Ü/ üØ01 ü0& # Retuns the address as the storage.ÁTå0 þZøo * *
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8 ´Eü…2# ü¬1T Q Returns true if this address is in the `AF_INET` (IPv4) family, false otherwise.Á<’2 Ë ËþZ * š2 *
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9 $›2 üÑ3# üï2J G Returns true if this address is in the `AF_INET6` (IPv6) family, falseÁ t¾3 otherwise.Á<Þ3 Ì ÌþZ * æ3 *
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: $ç3 ìÜ5 ü¼4\ Y Returns true if this address is of a unix socket (for local interprocess communication),Á ü�5: 7 i.e. it is from the `AF_UNIX` family, false otherwise.Á<ã5 Í ÍþZ * ë5 *
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; $ì5 üÏ7- üÀ6K H Returns this address as a `SocketAddr` if it is in the `AF_INET` (IPv4)Á ü�7: 7 or `AF_INET6` (IPv6) family, otherwise returns `None`.ÁLÖ7 Î ÎþZ ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙÀ[ * à7 *
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< $á7 ü¤B4 üÇAH E Returns this address as a [`SocketAddrV4`] if it is in the `AF_INET`Á \”B family.Át«B Ï ÏþZ ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙ�\ * ºB *
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= $»B ü¼D4 üÞCI F Returns this address as a [`SocketAddrV6`] if it is in the `AF_INET6`Á \¬D •ÁtÃD Ð ÐþZ ۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙ÷\ * ÒD *
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> $ÓD Ü¥F D¨F Ñ ÑþZ Ñ’� * ±F * ä�$²F üçH" þZA ë A ü�I% $“I À[þZ @ @
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A ²‚$˜I üÂJ$ þZC ë C üíJ' $ðJ �\þZ B B
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L–�$³g ºéG*, T÷2 4û2 rt ¡¿Àó× ê ¤, N O“‘$ý ¦ N Q ReadÁ$ƒ à N R WriteÁ,‰ Ÿ! N SÛë<À æL N U
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IoSliceMutÁTÉ ö N VÂv\ä ÑÛ N W„¹Dž ̺ N X netÁ$· ž" N Zè’D½ ¾º N [ ShutdownÁDÇ ¶M N \ FromRawFdÁL÷ + N ^ IntoRawFdÁL‚ ¯+ N _²™Dç Ö N `¾2$ƒ Ÿ N b¤í,‰ ¿¬ N c Êó?T� ó N d’@Tœ ö N eX$¨ ‹ N fÎGLæ Ø N g—K4ý Ž N i—K � N i¥LD… ¦ N j¥L § N j–ID� î N k �¾Md™ ¾ N ló$§ š N mó › N må7„Û ¯ N oå7 ° N oåE4í Ä N pñLLõ ² N qñL ³ N qDå¶<ó©ø™œ‡Š<¶}€fi¬Ú]””OD¬? ±25 Œã
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ô÷œÜêTöÝ ýÐÓ¾Á±´¥¨„ßœ,õ�“psPS?B25,Óöøç錴 ü‚) & Owned wrapper around a system socket.Á ¬ú ü°M J This type simply wraps an instance of a file descriptor (`c_int`) on UnixÁ üþM J and an instance of `SOCKET` on Windows. This is the main type exported byÁ üÌ H E this crate and is intended to mirror the raw semantics of sockets onÁ ü•
|
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F C platforms as closely as possible. Almost all methods correspond toÁ üÜ
|
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I F precisely one libc or OS API call which is essentially just a "RusticÁ ü¦ ! translation" of what's below.Á È ú üÌ ) & ## Converting to and from other typesÁ ö ú üú M J This type can be freely converted into the network primitives provided byÁ üÈ K H the standard library, such as [`TcpStream`] or [`UdpSocket`], using theÁ ü”
|
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* ' [`From`] trait, see the example below.Á ¿
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ú üÃ
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& # [`TcpStream`]: std::net::TcpStreamÁ üê
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& # [`UdpSocket`]: std::net::UdpSocketÁ ‘ú \• # NotesÁ ¡ú ü¥M J Some methods that set options on `Socket` require two system calls to setÁ üóK H their options without overwriting previously set options. We do this byÁ ü¿N K first getting the current settings, applying the desired changes, and thenÁ üŽP M updating the settings. This means that the operation is **not** atomic. ThisÁ üßN K can lead to a data race when two threads are changing options in parallel.Á ®ú t²æö lÁ‰÷ üÏ( ÷ üø,Ò÷ ü¥(ˆø Îú äÒ // create a TCP listenerÁ üï@„ù °ú ü´=ƒú üò! let address = address.into();Á Ü” socket.bind(&address)?;Á Ä°õú Éú üÍ.£û TüÚû ¬‡íû t�‹ü <¬¢ü 4¿ í^ Ç fe-&=g sdÌ,ÌN r r Ð_¬À,Ð Ð_\î í^vwxyz|}~€�ƒ„…†‡ˆ‰Š‹Œ�Ž��‘’“”•–—˜™š›œ�žŸ ü¥2D³ Õfí^ u u
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v @ ¼ü”"*4¢" Ù Ùí^ Õf u ©" u
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w $ª"üô"+D‚# í^Õf u u
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x $‹#ü½'V üÖ#/ , Creates a new socket and sets common flags.Á Š$ú ü’$H E This function corresponds to `socket(2)` on Unix and `WSASocketW` onÁ dß$ Windows.Á ð$ú üø$J G On Unix-like systems, the close-on-exec flag is set on the new socket.Á üÇ%I F Additionally, on Apple platforms `SOCK_NOSIGPIPE` is set. On Windows,Á ü•&' $ the socket is made non-inheritable.Á Á&ú üÉ&L I [`Socket::new_raw`] can be used if you don't want these flags to be set.Á ø6Ç!Ÿôš'
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Additional documentation can be found in manual of the OS:
|
|||
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|
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|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=socket§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=socket&sektion=2>
|
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|
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* Linux: <https://man7.org/linux/man-pages/man2/socket.2.html>
|
|||
|
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* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html> (archived, actually for iOS)
|
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|
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* NetBSD: <https://man.netbsd.org/socket.2>
|
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|
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* OpenBSD: <https://man.openbsd.org/socket.2>
|
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* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html> (archived)
|
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* illumos: <https://illumos.org/man/3SOCKET/socket>
|
|||
|
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* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-socket>
|
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|
|
Á Ä' éb¡cۼݼ޼© ß¼ à¼ÛἈ cSñŸ«‡zÙÙcÖ¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
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í^«x u u
|
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|
y ¯4È'´Ø' protocolÁDâ'üë*Z ü�)0 - Creates a new socket ready to be configured.Á Å)ú üÍ)H“ä üš*L I Windows and simply creates a new socket, no other configuration is done.Á<ò* éb¡c†ïÍï u u
|
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|
|
z ¯4ú*´Š+ÅïD”+ ò+ z �¯ { §¯ { į { { z {Õf ÙcÕf ü·88 üø6/ , Binds this socket to the specified address.Á ¬7ú ü´7K H This function directly corresponds to the `bind(2)` function on WindowsÁ l„8
|
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and Unix.Á øNÇ!Ÿä–8 Ž
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=bind§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=bind&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/bind.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/bind.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/bind.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/bind>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind>
|
|||
|
|
Á$¾8 Ú Û Úí^ ÛþZ Ö¿Ù¿ Ú¿« Û¿ˆ Ü¿ Ý¿Þ¿ˆ ‚†f|Â
|
|||
|
|
«x u Ã8 u
|
|||
|
|
| $Ä8˜<Ê8üÂ@; ü§9B ? Initiate a connection on this socket to the specified address.Á î9ú üö9F C This function directly corresponds to the `connect(2)` function onÁ ¬Á: Windows and Unix.Á Û:ú üã:G D An error will be returned if `listen` or `connect` has already beenÁ ܯ; called on this builder.Á øfÇ!ŸüÏ; ©
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=connect§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=connect&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/connect.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/connect.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/connect.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/connect>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect>
|
|||
|
|
Á ó;ú \û;€Ú ‹<ú ü“<A > When using a non-blocking connect (by setting the socket intoÁ üÙ<K H non-blocking mode before calling this function), socket option can't beÁ ü©=E B set *while connecting*. This will cause errors on Windows. SocketÁ üó=E B options can be safely set before and after connecting the socket.Á ½>ú üÅ>K H On Cygwin, a Unix domain socket connect blocks until the server acceptsÁ ü•?H E it. If the behavior is not expected, try [`Socket::set_no_peercred`]Á ”â? (Cygwin only).Á<É@ Ü Ý Üí^ ÝþZ Âû u Ñ@ u
|
|||
|
|
} $Ò@˜<Ø@üŠIS ü¸AG D Initiate a connection on this socket to the specified address, onlyÁ ü„BF C only waiting for a certain period of time for the connection to beÁ „ÏB
|
|||
|
|
established.Á äBú üìBJ G Unlike many other methods on `Socket`, this does *not* correspond to aÁ ü»CK H single C function. It sets the socket to nonblocking mode, connects viaÁ ü‹DJ G connect(2), and then waits for the connection to complete with poll(2)Á üÚDG D on Unix and select on Windows. When the connection is complete, theÁ ü¦EE B socket is set back to blocking mode. On Unix, this will loop overÁ œðE `EINTR` errors.Á ˆFú t�F # WarningsÁ £Fú ü«FI F The non-blocking state of the socket is overridden by this function -Á üùFL I it will be returned in blocking mode on success, and in an indeterminateÁ ¬ÊG state on failure.Á äGú üìGJ G If the connection request times out, it may still be processing in theÁ ü»HJ G background - a second call to `connect` or `connect_timeout` may fail.Á|‘I Þ ß Þí^ ßþZ ¦šÂû u ¡I u
|
|||
|
|
~ $¢I²‚$¨I timeoutÁ<¹Iü‡P6 üšMG D Mark a socket as ready to accept incoming connection requests usingÁ ÌæM [`Socket::accept()`].Á „Nú üŒNE B This function directly corresponds to the `listen(2)` function onÁ ¬ÖNòü ðNú üøNG�ý ÜÄOíý ø~Ç!ŸôäO
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=listen§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=listen&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/listen.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/listen.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/listen.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/listen.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/listen.2.html> (archived)
|
|||
|
|
* illumos: <https://illumos.org/man/3SOCKET/listen>
|
|||
|
|
* Windows: <https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-listen>
|
|||
|
|
Á4ŽP à àí^ ÕfÂû u •P u
|
|||
|
|
$–P backlogÁ<œPü“V6 ü÷P8 5 Accept a new incoming connection from this listener.Á ´Qú ü¼QD A This function uses `accept4(2)` on platforms that support it andÁ ü…R& # `accept(2)` platforms that do not.Á °Rú ü¸RE B This function sets the same flags as in done for [`Socket::new`],Á ü‚SL I [`Socket::accept_raw`] can be used if you don't want to set those flags.Á ø–Ç!ŸôÓS
|
|||
|
|
|
|||
|
|
Additional documentation can be found in manual of the OS:
|
|||
|
|
|
|||
|
|
* DragonFly BSD: <https://man.dragonflybsd.org/?command=accept§ion=2>
|
|||
|
|
* FreeBSD: <https://www.freebsd.org/cgi/man.cgi?query=accept&sektion=2>
|
|||
|
|
* Linux: <https://man7.org/linux/man-pages/man2/accept.2.html>
|
|||
|
|
* macOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html> (archived, actually for iOS)
|
|||
|
|
* NetBSD: <https://man.netbsd.org/accept.2>
|
|||
|
|
* OpenBSD: <https://man.openbsd.org/accept.2>
|
|||
|
|
* iOS: <https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html> (archived)
|