02-14-2010
You could try the
res_query functions for interfacing to the systems resolver.
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LEARN ABOUT DEBIAN
explain_getaddrinfo_or_die
explain_getaddrinfo_or_die(3) Library Functions Manual explain_getaddrinfo_or_die(3)
NAME
explain_getaddrinfo_or_die - network address translation and report errors
SYNOPSIS
#include <libexplain/getaddrinfo.h>
void explain_getaddrinfo_or_die(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res);
DESCRIPTION
The explain_getaddrinfo_or_die function is used to call the getaddrinfo(3) system call. On failure, an explanation will be printed to
stderr, obtained from explain_getaddrinfo(3), and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
explain_getaddrinfo_or_die(node, service, hints, res);
node The node, exactly as to be passed to the getaddrinfo(3) system call.
service The service, exactly as to be passed to the getaddrinfo(3) system call.
hints The hints, exactly as to be passed to the getaddrinfo(3) system call.
res The res, exactly as to be passed to the getaddrinfo(3) system call.
Returns:
This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO
getaddrinfo(3)
network address and service translation
explain_getaddrinfo(3)
explain getaddrinfo(3) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2008 Peter Miller
explain_getaddrinfo_or_die(3)