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16 lines
597 B
Groff
16 lines
597 B
Groff
.TH dns_mx_packet 3
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.SH NAME
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dns_mx_packet \- extract MX records from DNS answer packet
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.SH SYNTAX
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.B #include <libowfat/dns.h>
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int \fBdns_mx_packet\fP(stralloc* \fIout\fR,const char* \fIbuf\fR,
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unsigned int \fIlen\fR);
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.SH DESCRIPTION
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dns_mx_packet is a low-level component of dns_mx, designed to support
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asynchronous DNS lookups. It reads a DNS packet of length \fIlen\fR from \fIbuf\fR,
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extracts the MX records from the answer section of the packet, puts the
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result into \fIout\fR, and returns 0 or -1 the same way as dns_mx.
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.SH "SEE ALSO"
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dns_mx(3), dns_ip4(3), dns_ip6(3)
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