/usr/include/bglibs/resolve.h is in libbg-dev 2.04+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | #ifndef NET__RESOLVE__H__
#define NET__RESOLVE__H__
#include "ipv4.h"
/** \defgroup resolve resolve: Domain name resolution functions
@{ */
/** No error. */
#define RESOLVE_OK 0
/** Domain name not found. */
#define RESOLVE_NOTFOUND 1
/** Domain name exists, but has no address. */
#define RESOLVE_NOADDR 2
/** Non-recoverable name server error. */
#define RESOLVE_NSERROR 3
/** Temporary failure. */
#define RESOLVE_TEMPFAIL 4
extern const char* resolve_ipv4addr(const ipv4addr* addr);
extern int resolve_ipv4name_n(const char* name, ipv4addr* addr, int maxaddrs);
/** Compatibility macro for resolve_ipv4name_n */
#define resolve_ipv4name(N,A) resolve_ipv4name_n((N),(A),1)
extern int __resolve_error;
/** Look up the last resolve error code. */
#define resolve_error() (__resolve_error)
struct dns_result;
extern int resolve_calldns(int (*dnsfn)(), struct dns_result* out, const void* param);
extern int resolve_qualdns(int (*dnsfn)(struct dns_transmit*, struct dns_result* out, const char*),
struct dns_result* out, const char* name);
/** @} */
#endif
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