NGX_TCP_NOPUSH_UNSET 2558 http/ngx_http_request.c         c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
NGX_TCP_NOPUSH_UNSET 1383 http/ngx_http_upstream.c         c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
NGX_TCP_NOPUSH_UNSET  224 os/unix/ngx_freebsd_sendfile_chain.c                 && c->tcp_nopush == NGX_TCP_NOPUSH_UNSET)
NGX_TCP_NOPUSH_UNSET  149 os/unix/ngx_linux_sendfile_chain.c         if (c->tcp_nopush == NGX_TCP_NOPUSH_UNSET