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dns_ip4_packet(3) Library Functions Manual dns_ip4_packet(3) NAME dns_ip4_packet - extract IPv4 address from DNS answer packet SYNTAX #include <libowfat/dns.h> int dns_ip4_packet(stralloc* out,const char* buf, unsigned int len); DESCRIPTION dns_ip4_packet is a low-level component of dns_ip4, designed to support asynchronous DNS lookups. It reads a DNS packet of length len from buf, ex- tracts IP addresses from the answer section of the packet, puts the ad- dresses into out, and returns 0 or -1 the same way as dns_ip4. SEE ALSO dns_ip4(3), dns_ip6_packet(3) dns_ip4_packet(3)
NAME | SYNTAX | DESCRIPTION | SEE ALSO
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