CattaDnsPacket *catta_recv_dns_packet_ipv4(int fd, CattaIPv4Address *ret_src_address, uint16_t *ret_src_port, CattaIPv4Address *ret_dst_address, CattaIfIndex *ret_iface, uint8_t *ret_ttl);
CattaDnsPacket *catta_recv_dns_packet_ipv6(int fd, CattaIPv6Address *ret_src_address, uint16_t *ret_src_port, CattaIPv6Address *ret_dst_address, CattaIfIndex *ret_iface, uint8_t *ret_ttl);
CattaDnsPacket *catta_recv_dns_packet_ipv4(int fd, CattaIPv4Address *ret_src_address, uint16_t *ret_src_port, CattaIPv4Address *ret_dst_address, CattaIfIndex *ret_iface, uint8_t *ret_ttl);
CattaDnsPacket *catta_recv_dns_packet_ipv6(int fd, CattaIPv6Address *ret_src_address, uint16_t *ret_src_port, CattaIPv6Address *ret_dst_address, CattaIfIndex *ret_iface, uint8_t *ret_ttl);