1GETADDRINFO(3P) POSIX Programmer's Manual GETADDRINFO(3P)
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6 This manual page is part of the POSIX Programmer's Manual. The Linux
7 implementation of this interface may differ (consult the corresponding
8 Linux manual page for details of Linux behavior), or the interface may
9 not be implemented on Linux.
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12 getaddrinfo — get address information
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15 #include <sys/socket.h>
16 #include <netdb.h>
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18 int getaddrinfo(const char *restrict nodename,
19 const char *restrict servname,
20 const struct addrinfo *restrict hints,
21 struct addrinfo **restrict res);
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24 Refer to freeaddrinfo().
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27 Portions of this text are reprinted and reproduced in electronic form
28 from IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
29 table Operating System Interface (POSIX), The Open Group Base Specifi‐
30 cations Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of
31 Electrical and Electronics Engineers, Inc and The Open Group. In the
32 event of any discrepancy between this version and the original IEEE and
33 The Open Group Standard, the original IEEE and The Open Group Standard
34 is the referee document. The original Standard can be obtained online
35 at http://www.opengroup.org/unix/online.html .
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37 Any typographical or formatting errors that appear in this page are
38 most likely to have been introduced during the conversion of the source
39 files to man page format. To report such errors, see https://www.ker‐
40 nel.org/doc/man-pages/reporting_bugs.html .
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44IEEE/The Open Group 2017 GETADDRINFO(3P)