Lines Matching refs:NULL

88   prev = NULL;
92   while ((eaten == 0) && (pcb != NULL)) {
102         if (pcb->recv != NULL) {
106             p = NULL;
108             if (prev != NULL) {
217     if (q == NULL) {
236   if ((netif = ip_route(ipaddr)) == NULL) {
268   NETIF_SET_HWADDRHINT(netif, NULL);
309     for(pcb2 = raw_pcbs; pcb2 != NULL; pcb2 = pcb2->next) {
311       if (pcb2->next != NULL && pcb2->next == pcb) {
323  * @return The RAW PCB which was created. NULL if the PCB data structure
339   if (pcb != NULL) {