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17 lines
594 B
Groff
17 lines
594 B
Groff
.TH dns_ip4_packet 3
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.SH NAME
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dns_ip4_packet \- extract IPv4 address from DNS answer packet
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.SH SYNTAX
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.B #include <dns.h>
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int \fBdns_ip4_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_ip4_packet is a low-level component of dns_ip4, designed to support
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asynchronous DNS lookups. It reads a DNS packet of length \fIlen\fR from
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\fIbuf\fR, extracts IP addresses from the answer section of the packet,
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puts the addresses into \fIout\fR, and returns 0 or -1 the same way as
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dns_ip4.
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.SH "SEE ALSO"
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dns_ip4(3), dns_ip6_packet(3)
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