|  | 
        The ip::resolver_query_base
        class is used as a base for the ip::basic_resolver_query
        class templates to provide a common place to define the flag constants.
      
class resolver_query_base : public ip::resolver_base
| Name | Description | 
|---|---|
| A bitmask type (C++ Std [lib.bitmask.types]). | 
| Name | Description | 
|---|---|
| ~resolver_query_base [destructor] | Protected destructor to prevent deletion through this type. | 
| Name | Description | 
|---|---|
| address_configured [static] | Only return IPv4 addresses if a non-loopback IPv4 address is configured for the system. Only return IPv6 addresses if a non-loopback IPv6 address is configured for the system. | 
| all_matching [static] | If used with v4_mapped, return all matching IPv6 and IPv4 addresses. | 
| canonical_name [static] | Determine the canonical name of the host specified in the query. | 
| numeric_host [static] | Host name should be treated as a numeric string defining an IPv4 or IPv6 address and no name resolution should be attempted. | 
| numeric_service [static] | Service name should be treated as a numeric string defining a port number and no name resolution should be attempted. | 
| passive [static] | Indicate that returned endpoint is intended for use as a locally bound socket endpoint. | 
| v4_mapped [static] | If the query protocol family is specified as IPv6, return IPv4-mapped IPv6 addresses on finding no IPv6 addresses. | 
        Header: asio/ip/resolver_query_base.hpp
      
        Convenience header: asio.hpp