dns.h File Reference

#include <net/net.h>
#include <net/udp.h>
#include <sys/types.h>

Include dependency graph for dns.h:

Data Structures
struct	dns_header_t
struct	dns_answer_header_t

Functions
int	dns_lookup (net_interface_t *interface, const char *domain, uint8_t ip[4])

Detailed Description

See also

https://www2.cs.duke.edu/courses/fall16/compsci356/DNS/DNS-primer.pdf

Function Documentation

dns_lookup()

int dns_lookup	(	net_interface_t *	interface,
		const char *	domain,
		uint8_t	ip[4] )

Performs a DNS lookup.

Parameters

interface	the interface that should be used to send the DNS packet
domain	the domain name that is to be looked up
ip	the receiving array for the IPv4 address

Returns

0 on success, something else on error