1dns_ip4_packet(3) Library Functions Manual dns_ip4_packet(3)
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6 dns_ip4_packet - extract IPv4 address from DNS answer packet
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9 #include <dns.h>
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11 int dns_ip4_packet(stralloc* out,const char* buf,
12 unsigned int len);
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15 dns_ip4_packet is a low-level component of dns_ip4, designed to support
16 asynchronous DNS lookups. It reads a DNS packet of length len from buf,
17 extracts IP addresses from the answer section of the packet, puts the
18 addresses into out, and returns 0 or -1 the same way as dns_ip4.
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21 dns_ip4(3), dns_ip6_packet(3)
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25 dns_ip4_packet(3)