dns_name_packet man page on Alpinelinux

dns_name_packet man page on Alpinelinux

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dns_name_packet(3)					    dns_name_packet(3)

NAME
       dns_name_packet - extract names from DNS answer packet

SYNTAX
       #include <dns.h>

       int dns_name_packet(stralloc* out,const char* buf,
			   unsigned int len);

DESCRIPTION
       dns_name_packet is a low-level component of dns_name4, designed to sup‐
       port asynchronous DNS lookups. It reads a DNS packet of length len from
       buf,  extracts  the  first  PTR	record	from the answer section of the
       packet, puts the result into out, and returns 0 or -1 the same  way  as
       dns_name4.

SEE ALSO
       dns_name4(3), dns_name6(3), dns_ip4_packet(3)

							    dns_name_packet(3)

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