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.TH dns_name4_domain 3
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.SH NAME
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dns_name4_domain \- construct host name for reverse lookup
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.SH SYNTAX
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.B #include <dns.h>
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void \fBdns_name4_domain\fP(char \fIq\fR[DNS_NAME4_DOMAIN],
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const char* \fIip\fR[4]);
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.SH DESCRIPTION
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dns_name4_domain is a low-level component of dns_name4. It converts an
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IP address such as 1.2.3.4 into a domain name such as
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4.3.2.1.in-addr.arpa and places the packet-encoded domain name into \fIq\fR.
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q is zero terminated.
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q must have space for DNS_NAME4_DOMAIN bytes.
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.SH "SEE ALSO"
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dns_name4(3), dns_name6_domain(3)
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