include/libowfatconn.h File Reference

function declarations for libowfat connector More...

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Functions
int	dnsip4 (char **, unsigned int *, const char *)
	query DNS for IPv4 address of host
int	dnsip6 (char **, unsigned int *, const char *)
	query DNS for IPv6 address of host
int	dnstxt (char **, const char *)
	query DNS for TXT entries
int	dnsmx (char **, unsigned int *, const char *)
	query DNS for MX entries
int	dnsname (char **, const struct in6_addr *)
	query DNS for name for a given IP address

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Detailed Description

function declarations for libowfat connector

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Function Documentation

int dnsip4	(	char **	out,
		unsigned int *	len,
		const char *	host
	)

query DNS for IPv4 address of host

Parameters:

out	result string will be stored here, memory is malloced
len	length of out
host	host name to look up

Return values:

0	success
-1	an error occurred, errno is set

int dnsip6	(	char **	out,
		unsigned int *	len,
		const char *	host
	)

query DNS for IPv6 address of host

Parameters:

out	result string will be stored here, memory is malloced
len	length of out
host	host name to look up

Return values:

0	success
-1	an error occurred, errno is set

int dnsmx	(	char **	out,
		unsigned int *	len,
		const char *	host
	)

query DNS for MX entries

Parameters:

out	result string will be stored here, memory is malloced
len	length of out
host	host name to look up

Return values:

0	success
-1	an error occurred, errno is set

int dnsname	(	char **	out,
		const struct in6_addr *	ip
	)

query DNS for name for a given IP address

Parameters:

out	DNS name of host will be stored here, memory is malloced
ip	IPv6 address of host to look up

Return values:

0	success
-1	an error occurred, errno is set

int dnstxt	(	char **	out,
		const char *	host
	)

query DNS for TXT entries

Parameters:

out	TXT record of host will be stored here, memory is malloced
host	name of host to look up

Return values:

0	success
-1	an error occurred, errno is set