NGX_HTTP_DAV_OFF   68 http/modules/ngx_http_dav_module.c     { ngx_string("off"), NGX_HTTP_DAV_OFF },
NGX_HTTP_DAV_OFF 1110 http/modules/ngx_http_dav_module.c                          (NGX_CONF_BITMASK_SET|NGX_HTTP_DAV_OFF));