make_nv
make_nv(&resp[num_nv++], ":status", "200");
make_nv(&resp[num_nv++], "content-type", "text/html");
make_nv(&resp[num_nv++], "content-type", "image/png");
make_nv(&resp[num_nv++], "content-type", "image/vnd.microsoft.icon");
make_nv(&resp[num_nv++], "content-type", "text/html");
make_nv(&resp[num_nv++], "content-type", "application/octet-stream");
make_nv(&resp[num_nv++], "content-length", slength);
make_nv(&nva[num_nv++], ":method", "GET");
make_nv(&nva[num_nv++], ":scheme", "https");
make_nv(&nva[num_nv++], ":authority", addr);
make_nv(&nva[num_nv++], ":path", "/");
make_nv(&nva[num_nv++], "user-agent", "OpenSSL-Demo/nghttp3");