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libcares/ares.h  view on Meta::CPAN

                                     int family,
                                     ares_host_callback callback,
                                     void *arg);

CARES_EXTERN int ares_gethostbyname_file(ares_channel channel,
                                         const char *name,
                                         int family,
                                         struct hostent **host);

CARES_EXTERN void ares_gethostbyaddr(ares_channel channel,
                                     const void *addr,
                                     int addrlen,
                                     int family,
                                     ares_host_callback callback,
                                     void *arg);

CARES_EXTERN void ares_getnameinfo(ares_channel channel,
                                   const struct sockaddr *sa,
                                   ares_socklen_t salen,
                                   int flags,
                                   ares_nameinfo_callback callback,
                                   void *arg);

CARES_EXTERN int ares_fds(ares_channel channel,
                          fd_set *read_fds,
                          fd_set *write_fds);

CARES_EXTERN int ares_getsock(ares_channel channel,
                              ares_socket_t *socks,
                              int numsocks);

CARES_EXTERN struct timeval *ares_timeout(ares_channel channel,
                                          struct timeval *maxtv,
                                          struct timeval *tv);

CARES_EXTERN void ares_process(ares_channel channel,
                               fd_set *read_fds,
                               fd_set *write_fds);

CARES_EXTERN void ares_process_fd(ares_channel channel,
                                  ares_socket_t read_fd,
                                  ares_socket_t write_fd);

CARES_EXTERN int ares_create_query(const char *name,
                                   int dnsclass,
                                   int type,
                                   unsigned short id,
                                   int rd,
                                   unsigned char **buf,
                                   int *buflen,
                                   int max_udp_size);

CARES_EXTERN int ares_mkquery(const char *name,
                              int dnsclass,
                              int type,
                              unsigned short id,
                              int rd,
                              unsigned char **buf,
                              int *buflen);

CARES_EXTERN int ares_expand_name(const unsigned char *encoded,
                                  const unsigned char *abuf,
                                  int alen,
                                  char **s,
                                  long *enclen);

CARES_EXTERN int ares_expand_string(const unsigned char *encoded,
                                    const unsigned char *abuf,
                                    int alen,
                                    unsigned char **s,
                                    long *enclen);

/*
 * NOTE: before c-ares 1.7.0 we would most often use the system in6_addr
 * struct below when ares itself was built, but many apps would use this
 * private version since the header checked a HAVE_* define for it. Starting
 * with 1.7.0 we always declare and use our own to stop relying on the
 * system's one.
 */
struct ares_in6_addr {
  union {
    unsigned char _S6_u8[16];
  } _S6_un;
};

struct ares_addrttl {
  struct in_addr ipaddr;
  int            ttl;
};

struct ares_addr6ttl {
  struct ares_in6_addr ip6addr;
  int             ttl;
};

struct ares_srv_reply {
  struct ares_srv_reply  *next;
  char                   *host;
  unsigned short          priority;
  unsigned short          weight;
  unsigned short          port;
};

struct ares_mx_reply {
  struct ares_mx_reply   *next;
  char                   *host;
  unsigned short          priority;
};

struct ares_txt_reply {
  struct ares_txt_reply  *next;
  unsigned char          *txt;
  size_t                  length;  /* length excludes null termination */
};

/* NOTE: This structure is a superset of ares_txt_reply
 */
struct ares_txt_ext {
  struct ares_txt_ext      *next;
  unsigned char            *txt;
  size_t                   length;
  /* 1 - if start of new record
   * 0 - if a chunk in the same record */
  unsigned char            record_start;
};

struct ares_naptr_reply {