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|
# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2024-06-01 05:51+0200\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "getaddrinfo"
msgstr ""
#. type: TH
#: archlinux debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2024-05-02"
msgstr ""
#. type: TH
#: archlinux debian-unstable
#, no-wrap
msgid "Linux man-pages 6.8"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NAME"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"getaddrinfo, freeaddrinfo, gai_strerror - network address and service "
"translation"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "LIBRARY"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Standard C library (I<libc>, I<-lc>)"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SYNOPSIS"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<#include E<lt>sys/types.hE<gt>>\n"
"B<#include E<lt>sys/socket.hE<gt>>\n"
"B<#include E<lt>netdb.hE<gt>>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<int getaddrinfo(const char *restrict >I<node>B<,>\n"
"B< const char *restrict >I<service>B<,>\n"
"B< const struct addrinfo *restrict >I<hints>B<,>\n"
"B< struct addrinfo **restrict >I<res>B<);>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<void freeaddrinfo(struct addrinfo *>I<res>B<);>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<const char *gai_strerror(int >I<errcode>B<);>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Feature Test Macro Requirements for glibc (see B<feature_test_macros>(7)):"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "B<getaddrinfo>(), B<freeaddrinfo>(), B<gai_strerror>():"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
" Since glibc 2.22:\n"
" _POSIX_C_SOURCE E<gt>= 200112L\n"
" glibc 2.21 and earlier:\n"
" _POSIX_C_SOURCE\n"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DESCRIPTION"
msgstr ""
#. .BR getipnodebyname (3),
#. .BR getipnodebyaddr (3),
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Given I<node> and I<service>, which identify an Internet host and a service, "
"B<getaddrinfo>() returns one or more I<addrinfo> structures, each of which "
"contains an Internet address that can be specified in a call to B<bind>(2) "
"or B<connect>(2). The B<getaddrinfo>() function combines the functionality "
"provided by the B<gethostbyname>(3) and B<getservbyname>(3) functions into "
"a single interface, but unlike the latter functions, B<getaddrinfo>() is "
"reentrant and allows programs to eliminate IPv4-versus-IPv6 dependencies."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<addrinfo> structure used by B<getaddrinfo>() contains the following "
"fields:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"struct addrinfo {\n"
" int ai_flags;\n"
" int ai_family;\n"
" int ai_socktype;\n"
" int ai_protocol;\n"
" socklen_t ai_addrlen;\n"
" struct sockaddr *ai_addr;\n"
" char *ai_canonname;\n"
" struct addrinfo *ai_next;\n"
"};\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<hints> argument points to an I<addrinfo> structure that specifies "
"criteria for selecting the socket address structures returned in the list "
"pointed to by I<res>. If I<hints> is not NULL it points to an I<addrinfo> "
"structure whose I<ai_family>, I<ai_socktype>, and I<ai_protocol> specify "
"criteria that limit the set of socket addresses returned by "
"B<getaddrinfo>(), as follows:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I<ai_family>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This field specifies the desired address family for the returned addresses. "
"Valid values for this field include B<AF_INET> and B<AF_INET6>. The value "
"B<AF_UNSPEC> indicates that B<getaddrinfo>() should return socket addresses "
"for any address family (either IPv4 or IPv6, for example) that can be used "
"with I<node> and I<service>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I<ai_socktype>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This field specifies the preferred socket type, for example B<SOCK_STREAM> "
"or B<SOCK_DGRAM>. Specifying 0 in this field indicates that socket "
"addresses of any type can be returned by B<getaddrinfo>()."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I<ai_protocol>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This field specifies the protocol for the returned socket addresses. "
"Specifying 0 in this field indicates that socket addresses with any protocol "
"can be returned by B<getaddrinfo>()."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "I<ai_flags>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This field specifies additional options, described below. Multiple flags "
"are specified by bitwise OR-ing them together."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"All the other fields in the structure pointed to by I<hints> must contain "
"either 0 or a null pointer, as appropriate."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Specifying I<hints> as NULL is equivalent to setting I<ai_socktype> and "
"I<ai_protocol> to 0; I<ai_family> to B<AF_UNSPEC>; and I<ai_flags> to "
"B<(AI_V4MAPPED\\ |\\ AI_ADDRCONFIG)>. (POSIX specifies different defaults "
"for I<ai_flags>; see NOTES.) I<node> specifies either a numerical network "
"address (for IPv4, numbers-and-dots notation as supported by "
"B<inet_aton>(3); for IPv6, hexadecimal string format as supported by "
"B<inet_pton>(3)), or a network hostname, whose network addresses are looked "
"up and resolved. If I<hints.ai_flags> contains the B<AI_NUMERICHOST> flag, "
"then I<node> must be a numerical network address. The B<AI_NUMERICHOST> "
"flag suppresses any potentially lengthy network host address lookups."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the B<AI_PASSIVE> flag is specified in I<hints.ai_flags>, and I<node> is "
"NULL, then the returned socket addresses will be suitable for B<bind>(2)ing "
"a socket that will B<accept>(2) connections. The returned socket address "
"will contain the \"wildcard address\" (B<INADDR_ANY> for IPv4 addresses, "
"B<IN6ADDR_ANY_INIT> for IPv6 address). The wildcard address is used by "
"applications (typically servers) that intend to accept connections on any "
"of the host's network addresses. If I<node> is not NULL, then the "
"B<AI_PASSIVE> flag is ignored."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the B<AI_PASSIVE> flag is not set in I<hints.ai_flags>, then the returned "
"socket addresses will be suitable for use with B<connect>(2), B<sendto>(2), "
"or B<sendmsg>(2). If I<node> is NULL, then the network address will be set "
"to the loopback interface address (B<INADDR_LOOPBACK> for IPv4 addresses, "
"B<IN6ADDR_LOOPBACK_INIT> for IPv6 address); this is used by applications "
"that intend to communicate with peers running on the same host."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<service> sets the port in each returned address structure. If this "
"argument is a service name (see B<services>(5)), it is translated to the "
"corresponding port number. This argument can also be specified as a decimal "
"number, which is simply converted to binary. If I<service> is NULL, then "
"the port number of the returned socket addresses will be left "
"uninitialized. If B<AI_NUMERICSERV> is specified in I<hints.ai_flags> and "
"I<service> is not NULL, then I<service> must point to a string containing a "
"numeric port number. This flag is used to inhibit the invocation of a name "
"resolution service in cases where it is known not to be required."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Either I<node> or I<service>, but not both, may be NULL."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<getaddrinfo>() function allocates and initializes a linked list of "
"I<addrinfo> structures, one for each network address that matches I<node> "
"and I<service>, subject to any restrictions imposed by I<hints>, and returns "
"a pointer to the start of the list in I<res>. The items in the linked list "
"are linked by the I<ai_next> field."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"There are several reasons why the linked list may have more than one "
"I<addrinfo> structure, including: the network host is multihomed, accessible "
"over multiple protocols (e.g., both B<AF_INET> and B<AF_INET6>); or the same "
"service is available from multiple socket types (one B<SOCK_STREAM> address "
"and another B<SOCK_DGRAM> address, for example). Normally, the application "
"should try using the addresses in the order in which they are returned. The "
"sorting function used within B<getaddrinfo>() is defined in RFC\\ 3484; the "
"order can be tweaked for a particular system by editing I</etc/gai.conf> "
"(available since glibc 2.5)."
msgstr ""
#. Prior to glibc 2.3.4, the ai_canonname of each addrinfo
#. structure was set pointing to the canonical name; that was
#. more than POSIX.1-2001 specified, or other implementations provided.
#. MTK, Aug 05
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<hints.ai_flags> includes the B<AI_CANONNAME> flag, then the "
"I<ai_canonname> field of the first of the I<addrinfo> structures in the "
"returned list is set to point to the official name of the host."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The remaining fields of each returned I<addrinfo> structure are initialized "
"as follows:"
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\\[bu]"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<ai_family>, I<ai_socktype>, and I<ai_protocol> fields return the "
"socket creation parameters (i.e., these fields have the same meaning as the "
"corresponding arguments of B<socket>(2)). For example, I<ai_family> might "
"return B<AF_INET> or B<AF_INET6>; I<ai_socktype> might return B<SOCK_DGRAM> "
"or B<SOCK_STREAM>; and I<ai_protocol> returns the protocol for the socket."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A pointer to the socket address is placed in the I<ai_addr> field, and the "
"length of the socket address, in bytes, is placed in the I<ai_addrlen> field."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<hints.ai_flags> includes the B<AI_ADDRCONFIG> flag, then IPv4 addresses "
"are returned in the list pointed to by I<res> only if the local system has "
"at least one IPv4 address configured, and IPv6 addresses are returned only "
"if the local system has at least one IPv6 address configured. The loopback "
"address is not considered for this case as valid as a configured address. "
"This flag is useful on, for example, IPv4-only systems, to ensure that "
"B<getaddrinfo>() does not return IPv6 socket addresses that would always "
"fail in B<connect>(2) or B<bind>(2)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<hints.ai_flags> specifies the B<AI_V4MAPPED> flag, and I<hints."
"ai_family> was specified as B<AF_INET6>, and no matching IPv6 addresses "
"could be found, then return IPv4-mapped IPv6 addresses in the list pointed "
"to by I<res>. If both B<AI_V4MAPPED> and B<AI_ALL> are specified in I<hints."
"ai_flags>, then return both IPv6 and IPv4-mapped IPv6 addresses in the list "
"pointed to by I<res>. B<AI_ALL> is ignored if B<AI_V4MAPPED> is not also "
"specified."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<freeaddrinfo>() function frees the memory that was allocated for the "
"dynamically allocated linked list I<res>."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Extensions to getaddrinfo() for Internationalized Domain Names"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Starting with glibc 2.3.4, B<getaddrinfo>() has been extended to "
"selectively allow the incoming and outgoing hostnames to be transparently "
"converted to and from the Internationalized Domain Name (IDN) format (see "
"RFC 3490, I<Internationalizing Domain Names in Applications (IDNA)>). Four "
"new flags are defined:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<AI_IDN>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If this flag is specified, then the node name given in I<node> is converted "
"to IDN format if necessary. The source encoding is that of the current "
"locale."
msgstr ""
#. Implementation Detail:
#. To minimize effects on system performance the implementation might
#. want to check whether the input string contains any non-ASCII
#. characters. If there are none the IDN step can be skipped completely.
#. On systems which allow not-ASCII safe encodings for a locale this
#. might be a problem.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the input name contains non-ASCII characters, then the IDN encoding is "
"used. Those parts of the node name (delimited by dots) that contain non-"
"ASCII characters are encoded using ASCII Compatible Encoding (ACE) before "
"being passed to the name resolution functions."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<AI_CANONIDN>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"After a successful name lookup, and if the B<AI_CANONNAME> flag was "
"specified, B<getaddrinfo>() will return the canonical name of the node "
"corresponding to the I<addrinfo> structure value passed back. The return "
"value is an exact copy of the value returned by the name resolution function."
msgstr ""
#
#. Implementation Detail:
#. If no component of the returned name starts with xn\-\- the IDN
#. step can be skipped, therefore avoiding unnecessary slowdowns.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If the name is encoded using ACE, then it will contain the I<xn--> prefix "
"for one or more components of the name. To convert these components into a "
"readable form the B<AI_CANONIDN> flag can be passed in addition to "
"B<AI_CANONNAME>. The resulting string is encoded using the current locale's "
"encoding."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<AI_IDN_ALLOW_UNASSIGNED>"
msgstr ""
#. type: TQ
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid "B<AI_IDN_USE_STD3_ASCII_RULES>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Setting these flags will enable the IDNA_ALLOW_UNASSIGNED (allow unassigned "
"Unicode code points) and IDNA_USE_STD3_ASCII_RULES (check output to make "
"sure it is a STD3 conforming hostname) flags respectively to be used in the "
"IDNA handling."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "RETURN VALUE"
msgstr ""
#. FIXME glibc defines the following additional errors, some which
#. can probably be returned by getaddrinfo(); they need to
#. be documented.
#. #ifdef __USE_GNU
#. #define EAI_INPROGRESS -100 /* Processing request in progress. */
#. #define EAI_CANCELED -101 /* Request canceled. */
#. #define EAI_NOTCANCELED -102 /* Request not canceled. */
#. #define EAI_ALLDONE -103 /* All requests done. */
#. #define EAI_INTR -104 /* Interrupted by a signal. */
#. #define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
#. #endif
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<getaddrinfo>() returns 0 if it succeeds, or one of the following nonzero "
"error codes:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_ADDRFAMILY>"
msgstr ""
#. Not in SUSv3
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The specified network host does not have any network addresses in the "
"requested address family."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_AGAIN>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The name server returned a temporary failure indication. Try again later."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_BADFLAGS>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-rawhide opensuse-tumbleweed
msgid ""
"I<hints.ai_flags> contains invalid flags; or, I<hints.ai_flags> included "
"B<AI_CANONNAME> and I<node> was NULL."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_FAIL>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The name server returned a permanent failure indication."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_FAMILY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The requested address family is not supported."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_MEMORY>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Out of memory."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_NODATA>"
msgstr ""
#. Not in SUSv3
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The specified network host exists, but does not have any network addresses "
"defined."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_NONAME>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<node> or I<service> is not known; or both I<node> and I<service> are "
"NULL; or B<AI_NUMERICSERV> was specified in I<hints.ai_flags> and I<service> "
"was not a numeric port-number string."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_SERVICE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The requested service is not available for the requested socket type. It "
"may be available through another socket type. For example, this error could "
"occur if I<service> was \"shell\" (a service available only on stream "
"sockets), and either I<hints.ai_protocol> was B<IPPROTO_UDP>, or I<hints."
"ai_socktype> was B<SOCK_DGRAM>; or the error could occur if I<service> was "
"not NULL, and I<hints.ai_socktype> was B<SOCK_RAW> (a socket type that does "
"not support the concept of services)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_SOCKTYPE>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The requested socket type is not supported. This could occur, for example, "
"if I<hints.ai_socktype> and I<hints.ai_protocol> are inconsistent (e.g., "
"B<SOCK_DGRAM> and B<IPPROTO_TCP>, respectively)."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EAI_SYSTEM>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Other system error; I<errno> is set to indicate the error."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<gai_strerror>() function translates these error codes to a human "
"readable string, suitable for error reporting."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "FILES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I</etc/gai.conf>"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ATTRIBUTES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For an explanation of the terms used in this section, see B<attributes>(7)."
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Interface"
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Attribute"
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Value"
msgstr ""
#. type: tbl table
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ".na\n"
msgstr ""
#. type: tbl table
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ".nh\n"
msgstr ""
#. #-#-#-#-# archlinux: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#. #-#-#-#-# debian-bookworm: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: tbl table
#. #-#-#-#-# debian-unstable: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#. #-#-#-#-# fedora-40: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#. #-#-#-#-# fedora-rawhide: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#. #-#-#-#-# mageia-cauldron: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#. #-#-#-#-# opensuse-leap-15-6: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#. #-#-#-#-# opensuse-tumbleweed: getaddrinfo.3.pot (PACKAGE VERSION) #-#-#-#-#
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<getaddrinfo>()"
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Thread safety"
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "MT-Safe env locale"
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<freeaddrinfo>(),\n"
"B<gai_strerror>()"
msgstr ""
#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "MT-Safe"
msgstr ""
#. type: SH
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "VERSIONS"
msgstr ""
#. POSIX.1-2001, POSIX.1-2008
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"According to POSIX.1, specifying I<hints> as NULL should cause I<ai_flags> "
"to be assumed as 0. The GNU C library instead assumes a value of "
"B<(AI_V4MAPPED\\ |\\ AI_ADDRCONFIG)> for this case, since this value is "
"considered an improvement on the specification."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "STANDARDS"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "POSIX.1-2008."
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "RFC\\ 2553."
msgstr ""
#. type: SH
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "HISTORY"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "POSIX.1-2001."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<AI_ADDRCONFIG>"
msgstr ""
#. type: TQ
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<AI_ALL>"
msgstr ""
#. type: TQ
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<AI_V4MAPPED>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "glibc 2.3.3."
msgstr ""
#. type: TP
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<AI_NUMERICSERV>"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "glibc 2.3.4."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NOTES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<getaddrinfo>() supports the I<address>B<%>I<scope-id> notation for "
"specifying the IPv6 scope-ID."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "EXAMPLES"
msgstr ""
#. getnameinfo.3 refers to this example
#. socket.2 refers to this example
#. bind.2 refers to this example
#. connect.2 refers to this example
#. recvfrom.2 refers to this example
#. sendto.2 refers to this example
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following programs demonstrate the use of B<getaddrinfo>(), "
"B<gai_strerror>(), B<freeaddrinfo>(), and B<getnameinfo>(3). The programs "
"are an echo server and client for UDP datagrams."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Server program"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"#include E<lt>netdb.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/socket.hE<gt>\n"
"#include E<lt>sys/types.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"#define BUF_SIZE 500\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int sfd, s;\n"
" char buf[BUF_SIZE];\n"
" ssize_t nread;\n"
" socklen_t peer_addrlen;\n"
" struct addrinfo hints;\n"
" struct addrinfo *result, *rp;\n"
" struct sockaddr_storage peer_addr;\n"
"\\&\n"
" if (argc != 2) {\n"
" fprintf(stderr, \"Usage: %s port\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" memset(&hints, 0, sizeof(hints));\n"
" hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */\n"
" hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */\n"
" hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */\n"
" hints.ai_protocol = 0; /* Any protocol */\n"
" hints.ai_canonname = NULL;\n"
" hints.ai_addr = NULL;\n"
" hints.ai_next = NULL;\n"
"\\&\n"
" s = getaddrinfo(NULL, argv[1], &hints, &result);\n"
" if (s != 0) {\n"
" fprintf(stderr, \"getaddrinfo: %s\\en\", gai_strerror(s));\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* getaddrinfo() returns a list of address structures.\n"
" Try each address until we successfully bind(2).\n"
" If socket(2) (or bind(2)) fails, we (close the socket\n"
" and) try the next address. */\n"
"\\&\n"
" for (rp = result; rp != NULL; rp = rp-E<gt>ai_next) {\n"
" sfd = socket(rp-E<gt>ai_family, rp-E<gt>ai_socktype,\n"
" rp-E<gt>ai_protocol);\n"
" if (sfd == -1)\n"
" continue;\n"
"\\&\n"
" if (bind(sfd, rp-E<gt>ai_addr, rp-E<gt>ai_addrlen) == 0)\n"
" break; /* Success */\n"
"\\&\n"
" close(sfd);\n"
" }\n"
"\\&\n"
" freeaddrinfo(result); /* No longer needed */\n"
"\\&\n"
" if (rp == NULL) { /* No address succeeded */\n"
" fprintf(stderr, \"Could not bind\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Read datagrams and echo them back to sender. */\n"
"\\&\n"
" for (;;) {\n"
" char host[NI_MAXHOST], service[NI_MAXSERV];\n"
"\\&\n"
" peer_addrlen = sizeof(peer_addr);\n"
" nread = recvfrom(sfd, buf, BUF_SIZE, 0,\n"
" (struct sockaddr *) &peer_addr, &peer_addrlen);\n"
" if (nread == -1)\n"
" continue; /* Ignore failed request */\n"
"\\&\n"
" s = getnameinfo((struct sockaddr *) &peer_addr,\n"
" peer_addrlen, host, NI_MAXHOST,\n"
" service, NI_MAXSERV, NI_NUMERICSERV);\n"
" if (s == 0)\n"
" printf(\"Received %zd bytes from %s:%s\\en\",\n"
" nread, host, service);\n"
" else\n"
" fprintf(stderr, \"getnameinfo: %s\\en\", gai_strerror(s));\n"
"\\&\n"
" if (sendto(sfd, buf, nread, 0, (struct sockaddr *) &peer_addr,\n"
" peer_addrlen) != nread)\n"
" {\n"
" fprintf(stderr, \"Error sending response\\en\");\n"
" }\n"
" }\n"
"}\n"
msgstr ""
#. SRC END
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Client program"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"#include E<lt>netdb.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/socket.hE<gt>\n"
"#include E<lt>sys/types.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"#define BUF_SIZE 500\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int sfd, s;\n"
" char buf[BUF_SIZE];\n"
" size_t len;\n"
" ssize_t nread;\n"
" struct addrinfo hints;\n"
" struct addrinfo *result, *rp;\n"
"\\&\n"
" if (argc E<lt> 3) {\n"
" fprintf(stderr, \"Usage: %s host port msg...\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Obtain address(es) matching host/port. */\n"
"\\&\n"
" memset(&hints, 0, sizeof(hints));\n"
" hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */\n"
" hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */\n"
" hints.ai_flags = 0;\n"
" hints.ai_protocol = 0; /* Any protocol */\n"
"\\&\n"
" s = getaddrinfo(argv[1], argv[2], &hints, &result);\n"
" if (s != 0) {\n"
" fprintf(stderr, \"getaddrinfo: %s\\en\", gai_strerror(s));\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* getaddrinfo() returns a list of address structures.\n"
" Try each address until we successfully connect(2).\n"
" If socket(2) (or connect(2)) fails, we (close the socket\n"
" and) try the next address. */\n"
"\\&\n"
" for (rp = result; rp != NULL; rp = rp-E<gt>ai_next) {\n"
" sfd = socket(rp-E<gt>ai_family, rp-E<gt>ai_socktype,\n"
" rp-E<gt>ai_protocol);\n"
" if (sfd == -1)\n"
" continue;\n"
"\\&\n"
" if (connect(sfd, rp-E<gt>ai_addr, rp-E<gt>ai_addrlen) != -1)\n"
" break; /* Success */\n"
"\\&\n"
" close(sfd);\n"
" }\n"
"\\&\n"
" freeaddrinfo(result); /* No longer needed */\n"
"\\&\n"
" if (rp == NULL) { /* No address succeeded */\n"
" fprintf(stderr, \"Could not connect\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" /* Send remaining command-line arguments as separate\n"
" datagrams, and read responses from server. */\n"
"\\&\n"
" for (size_t j = 3; j E<lt> argc; j++) {\n"
" len = strlen(argv[j]) + 1;\n"
" /* +1 for terminating null byte */\n"
"\\&\n"
" if (len E<gt> BUF_SIZE) {\n"
" fprintf(stderr,\n"
" \"Ignoring long message in argument %zu\\en\", j);\n"
" continue;\n"
" }\n"
"\\&\n"
" if (write(sfd, argv[j], len) != len) {\n"
" fprintf(stderr, \"partial/failed write\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" nread = read(sfd, buf, BUF_SIZE);\n"
" if (nread == -1) {\n"
" perror(\"read\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" printf(\"Received %zd bytes: %s\\en\", nread, buf);\n"
" }\n"
"\\&\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. SRC END
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SEE ALSO"
msgstr ""
#. .BR getipnodebyaddr (3),
#. .BR getipnodebyname (3),
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron
msgid ""
"B<getaddrinfo_a>(3), B<gethostbyname>(3), B<getnameinfo>(3), B<inet>(3), "
"B<gai.conf>(5), B<hostname>(7), B<ip>(7)"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2023-02-05"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr ""
#. type: TP
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "B<AI_IDN_ALLOW_UNASSIGNED>, B<AI_IDN_USE_STD3_ASCII_RULES>"
msgstr ""
#. type: Plain text
#: debian-bookworm fedora-40 mageia-cauldron opensuse-leap-15-6
msgid ""
"I<hints.ai_flags> contains invalid flags; or, I<hints.ai_flags> included "
"B<AI_CANONNAME> and I<name> was NULL."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"POSIX.1-2001, POSIX.1-2008. The B<getaddrinfo>() function is documented in "
"RFC\\ 2553."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"B<AI_ADDRCONFIG>, B<AI_ALL>, and B<AI_V4MAPPED> are available since glibc "
"2.3.3. B<AI_NUMERICSERV> is available since glibc 2.3.4."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#include E<lt>netdb.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/socket.hE<gt>\n"
"#include E<lt>sys/types.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "#define BUF_SIZE 500\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int sfd, s;\n"
" char buf[BUF_SIZE];\n"
" ssize_t nread;\n"
" socklen_t peer_addrlen;\n"
" struct addrinfo hints;\n"
" struct addrinfo *result, *rp;\n"
" struct sockaddr_storage peer_addr;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc != 2) {\n"
" fprintf(stderr, \"Usage: %s port\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" memset(&hints, 0, sizeof(hints));\n"
" hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */\n"
" hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */\n"
" hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */\n"
" hints.ai_protocol = 0; /* Any protocol */\n"
" hints.ai_canonname = NULL;\n"
" hints.ai_addr = NULL;\n"
" hints.ai_next = NULL;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" s = getaddrinfo(NULL, argv[1], &hints, &result);\n"
" if (s != 0) {\n"
" fprintf(stderr, \"getaddrinfo: %s\\en\", gai_strerror(s));\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* getaddrinfo() returns a list of address structures.\n"
" Try each address until we successfully bind(2).\n"
" If socket(2) (or bind(2)) fails, we (close the socket\n"
" and) try the next address. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" for (rp = result; rp != NULL; rp = rp-E<gt>ai_next) {\n"
" sfd = socket(rp-E<gt>ai_family, rp-E<gt>ai_socktype,\n"
" rp-E<gt>ai_protocol);\n"
" if (sfd == -1)\n"
" continue;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (bind(sfd, rp-E<gt>ai_addr, rp-E<gt>ai_addrlen) == 0)\n"
" break; /* Success */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" close(sfd);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " freeaddrinfo(result); /* No longer needed */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (rp == NULL) { /* No address succeeded */\n"
" fprintf(stderr, \"Could not bind\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " /* Read datagrams and echo them back to sender. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" for (;;) {\n"
" char host[NI_MAXHOST], service[NI_MAXSERV];\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" peer_addrlen = sizeof(peer_addr);\n"
" nread = recvfrom(sfd, buf, BUF_SIZE, 0,\n"
" (struct sockaddr *) &peer_addr, &peer_addrlen);\n"
" if (nread == -1)\n"
" continue; /* Ignore failed request */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" s = getnameinfo((struct sockaddr *) &peer_addr,\n"
" peer_addrlen, host, NI_MAXHOST,\n"
" service, NI_MAXSERV, NI_NUMERICSERV);\n"
" if (s == 0)\n"
" printf(\"Received %zd bytes from %s:%s\\en\",\n"
" nread, host, service);\n"
" else\n"
" fprintf(stderr, \"getnameinfo: %s\\en\", gai_strerror(s));\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (sendto(sfd, buf, nread, 0, (struct sockaddr *) &peer_addr,\n"
" peer_addrlen) != nread)\n"
" {\n"
" fprintf(stderr, \"Error sending response\\en\");\n"
" }\n"
" }\n"
"}\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int sfd, s;\n"
" char buf[BUF_SIZE];\n"
" size_t len;\n"
" ssize_t nread;\n"
" struct addrinfo hints;\n"
" struct addrinfo *result, *rp;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc E<lt> 3) {\n"
" fprintf(stderr, \"Usage: %s host port msg...\\en\", argv[0]);\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " /* Obtain address(es) matching host/port. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" memset(&hints, 0, sizeof(hints));\n"
" hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */\n"
" hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */\n"
" hints.ai_flags = 0;\n"
" hints.ai_protocol = 0; /* Any protocol */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" s = getaddrinfo(argv[1], argv[2], &hints, &result);\n"
" if (s != 0) {\n"
" fprintf(stderr, \"getaddrinfo: %s\\en\", gai_strerror(s));\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* getaddrinfo() returns a list of address structures.\n"
" Try each address until we successfully connect(2).\n"
" If socket(2) (or connect(2)) fails, we (close the socket\n"
" and) try the next address. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (connect(sfd, rp-E<gt>ai_addr, rp-E<gt>ai_addrlen) != -1)\n"
" break; /* Success */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (rp == NULL) { /* No address succeeded */\n"
" fprintf(stderr, \"Could not connect\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" /* Send remaining command-line arguments as separate\n"
" datagrams, and read responses from server. */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" for (size_t j = 3; j E<lt> argc; j++) {\n"
" len = strlen(argv[j]) + 1;\n"
" /* +1 for terminating null byte */\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (len E<gt> BUF_SIZE) {\n"
" fprintf(stderr,\n"
" \"Ignoring long message in argument %zu\\en\", j);\n"
" continue;\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (write(sfd, argv[j], len) != len) {\n"
" fprintf(stderr, \"partial/failed write\\en\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" nread = read(sfd, buf, BUF_SIZE);\n"
" if (nread == -1) {\n"
" perror(\"read\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" printf(\"Received %zd bytes: %s\\en\", nread, buf);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. type: TH
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "2023-10-31"
msgstr ""
#. type: TH
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "Linux man-pages 6.06"
msgstr ""
#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "2024-02-18"
msgstr ""
#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "Linux man-pages 6.7"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "2023-03-30"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "Linux man-pages 6.04"
msgstr ""
#. .BR getipnodebyaddr (3),
#. .BR getipnodebyname (3),
#. type: Plain text
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<getaddrinfo_a>(3), B<gethostbyname>(3), B<getnameinfo>(3), B<gai.conf>(5), "
"B<inet>(3), B<gai.conf>(5), B<hostname>(7), B<ip>(7)"
msgstr ""
#. type: TH
#: opensuse-tumbleweed
#, no-wrap
msgid "Linux man-pages (unreleased)"
msgstr ""
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