NGX_HTTP_EXPIRES_MODIFIED  363 src/http/modules/ngx_http_headers_filter_module.c     if (*expires != NGX_HTTP_EXPIRES_MODIFIED) {
NGX_HTTP_EXPIRES_MODIFIED  386 src/http/modules/ngx_http_headers_filter_module.c         if (*expires == NGX_HTTP_EXPIRES_MODIFIED) {
NGX_HTTP_EXPIRES_MODIFIED  632 src/http/modules/ngx_http_headers_filter_module.c         hcf->expires = NGX_HTTP_EXPIRES_MODIFIED;