Lines Matching refs:q

208   struct pbuf *q; /* q will be sent down the stack */
215     q = pbuf_alloc(PBUF_IP, 0, PBUF_RAM);
217     if (q == NULL) {
222       /* chain header q in front of given pbuf p */
223       pbuf_chain(q, p);
225     /* { first pbuf q points to header pbuf } */
226     LWIP_DEBUGF(RAW_DEBUG, ("raw_sendto: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p));
228     /* first pbuf q equals given pbuf */
229     q = p;
230     if(pbuf_header(q, -IP_HLEN)) {
240     if (q != p) {
241       pbuf_free(q);
251     if (q != p) {
252       pbuf_free(q);
267   err = ip_output_if (q, src_ip, ipaddr, pcb->ttl, pcb->tos, pcb->protocol, netif);
271   if (q != p) {
273     pbuf_free(q);