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resolve: Domain name resolution functions


Defines

#define RESOLVE_OK   0
 No error.

#define RESOLVE_NOTFOUND   1
 Domain name not found.

#define RESOLVE_NOADDR   2
 Domain name exists, but has no address.

#define RESOLVE_NSERROR   3
 Non-recoverable name server error.

#define RESOLVE_TEMPFAIL   4
 Temporary failure.


Functions

const char * resolve_ipv4addr (const ipv4addr *addr)
 Look up the domain name corresponding to an IPv4 address.

int resolve_ipv4name (const char *name, ipv4addr *addr)
 Look up the IPv4 address corresponding to a domain name.

int resolve_error (void)
 Look up the last resolve error code.


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