dns_ip4_qualify man page on Alpinelinux

dns_ip4_qualify man page on Alpinelinux

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dns_ip4_qualify(3)					    dns_ip4_qualify(3)

NAME
       dns_ip4_qualify - qualify name and look up IPv4 addresses

SYNTAX
       #include <dns.h>

       int dns_ip4_qualify(stralloc* out,stralloc* fqdn,
			   const stralloc* udn);

DESCRIPTION
       dns_ip4_qualify	feeds  the name udn through qualification and looks up
       4-byte IP addresses for the result. It puts the fully qualified	domain
       name  into  fqdn,  puts the concatenation of the IP addresses into out,
       and returns 0. If the domain does not  exist  in	 DNS,  or  has	no  IP
       addresses, out will be empty.

       If dns_ip4_qualify has trouble with the qualification, has trouble with
       DNS, or runs out of memory, it returns -1, setting errno appropriately.
       It may or may not change out and fqdn.

QUALIFICATION
       See http://cr.yp.to/djbdns/qualification.html

SEE ALSO
       dns_ip4(3), dns_ip4_packet(3), dns_ip6_qualify(3)

							    dns_ip4_qualify(3)

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