http::status

enum status

Name	Description
`unknown`	An unknown status-code. This value indicates that the value for the status code is not in the list of commonly recognized status codes. Callers interested in the exactly value should use the interface which provides the raw integer.
`continue_`
`switching_protocols`
`processing`
`ok`
`created`
`accepted`
`non_authoritative_information`
`no_content`
`reset_content`
`partial_content`
`multi_status`
`already_reported`
`im_used`
`multiple_choices`
`moved_permanently`
`found`
`see_other`
`not_modified`
`use_proxy`
`temporary_redirect`
`permanent_redirect`
`bad_request`
`unauthorized`
`payment_required`
`forbidden`
`not_found`
`method_not_allowed`
`not_acceptable`
`proxy_authentication_required`
`request_timeout`
`conflict`
`gone`
`length_required`
`precondition_failed`
`payload_too_large`
`uri_too_long`
`unsupported_media_type`
`range_not_satisfiable`
`expectation_failed`
`misdirected_request`
`unprocessable_entity`
`locked`
`failed_dependency`
`upgrade_required`
`precondition_required`
`too_many_requests`
`request_header_fields_too_large`
`connection_closed_without_response`
`unavailable_for_legal_reasons`
`client_closed_request`
`internal_server_error`
`not_implemented`
`bad_gateway`
`service_unavailable`
`gateway_timeout`
`http_version_not_supported`
`variant_also_negotiates`
`insufficient_storage`
`loop_detected`
`not_extended`
`network_authentication_required`
`network_connect_timeout_error`

Convenience header <boost/beast/http.hpp>

Boost C++ Libraries