http_field_t

type http_field_t = (

  HTTP_FIELD_UNKNOWN = - 1,

  HTTP_FIELD_ACCEPT_LANGUAGE,

  HTTP_FIELD_ACCEPT_RANGES,

  HTTP_FIELD_AUTHORIZATION,

  HTTP_FIELD_CONNECTION,

  HTTP_FIELD_CONTENT_ENCODING,

  HTTP_FIELD_CONTENT_LANGUAGE,

  HTTP_FIELD_CONTENT_LENGTH,

  HTTP_FIELD_CONTENT_LOCATION,

  HTTP_FIELD_CONTENT_MD5,

  HTTP_FIELD_CONTENT_RANGE,

  HTTP_FIELD_CONTENT_TYPE,

  HTTP_FIELD_CONTENT_VERSION,

  HTTP_FIELD_DATE,

  HTTP_FIELD_HOST,

  HTTP_FIELD_IF_MODIFIED_SINCE,

  HTTP_FIELD_IF_UNMODIFIED_SINCE,

  HTTP_FIELD_KEEP_ALIVE,

  HTTP_FIELD_LAST_MODIFIED,

  HTTP_FIELD_LINK,

  HTTP_FIELD_LOCATION,

  HTTP_FIELD_RANGE,

  HTTP_FIELD_REFERER,

  HTTP_FIELD_RETRY_AFTER,

  HTTP_FIELD_TRANSFER_ENCODING,

  HTTP_FIELD_UPGRADE,

  HTTP_FIELD_USER_AGENT,

  HTTP_FIELD_WWW_AUTHENTICATE,

  HTTP_FIELD_MAX

);