NGX_HTTP_LAST_3XX   79 src/http/ngx_http_header_filter_module.c #define NGX_HTTP_OFF_4XX   (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX)
NGX_HTTP_LAST_3XX  234 src/http/ngx_http_header_filter_module.c                    && status < NGX_HTTP_LAST_3XX)
NGX_HTTP_LAST_3XX  318 src/http/ngx_http_special_response.c #define NGX_HTTP_OFF_4XX   (NGX_HTTP_LAST_3XX - 301 + NGX_HTTP_OFF_3XX)
NGX_HTTP_LAST_3XX  444 src/http/ngx_http_special_response.c                && error < NGX_HTTP_LAST_3XX)