DNS
[User Protocols]

Collaboration diagram for DNS:

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Detailed Description

Domain name service protocol.

Data Structures
struct	DNSCONFIG
struct	DNSHEADER
struct	DNSQUESTION
struct	DNSRESOURCE
Functions
void	DumpDnsHeader (FILE *stream, DNSHEADER *doh)
void	DumpDnsQuestion (FILE *stream, DNSQUESTION *doq)
void	DumpDnsResource (FILE *stream, DNSRESOURCE *dor)
void	NutDnsConfig2 (u_char *hostname, u_char *domain, u_long pdnsip, u_long sdnsip)
	Set DNS configuration.
void	NutDnsConfig (u_char *hostname, u_char *domain, u_long dnsip)
	Sets DNS configuration.
u_long	NutDnsGetResource (CONST u_char *hostname, CONST u_short type)
	Retrieves IP-address corresponding to a host name.
u_long	NutDnsGetHostByName (CONST u_char *hostname)
u_long	NutDnsGetMxByDomain (CONST u_char *hostname)

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Function Documentation

void NutDnsConfig2 (  u_char *  hostname, u_char *  domain, u_long  pdnsip, u_long  sdnsip )

Set DNS configuration. Parameters: hostname  DNS name of the local host. domain  Name of the domain of the local host. pdnsip  IP address of the primary DNS server. sdnsip  IP address of the secondary DNS server.

void NutDnsConfig (  u_char *  hostname, u_char *  domain, u_long  dnsip )

Sets DNS configuration. Deprecated: New applications should use NutDnsConfig2(). Parameters: hostname  DNS name of the local host. domain  Name of the domain of the local host. dnsip  IP address of the DNS server. Examples: inetq/inetq.c.

u_long NutDnsGetResource (  CONST u_char *  hostname, CONST u_short  type )

Retrieves IP-address corresponding to a host name. This is a very simple implementation, which will not return any other resource information than the IP address. Parameters: hostname  Fully qualified domain name of the host. type  Request type. Returns: IP address, which is zero, if the name could not be resolved.

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