Lines Matching refs:NULL

109   for(pcb = udp_pcbs; pcb != NULL; pcb = pcb->next) {
120   while ((ipcb != NULL) && (udp_port != UDP_LOCAL_PORT_RANGE_END)) {
131   if (ipcb != NULL) {
203   pcb = NULL;
209       if ((inp->dhcp != NULL) && (inp->dhcp->pcb != NULL)) {
222     prev = NULL;
224     uncon_pcb = NULL;
229     for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next) {
258           if ((uncon_pcb == NULL) && 
271         if (prev != NULL) {
285     if (pcb == NULL) {
291   if (pcb != NULL || ip_addr_cmp(&inp->ip_addr, &current_iphdr_dest)) {
350     if (pcb != NULL) {
359         for (mpcb = udp_pcbs; mpcb != NULL; mpcb = mpcb->next) {
374               if (mpcb->recv != NULL) {
382                 if (q != NULL) {
401       if (pcb->recv != NULL) {
516   if (netif == NULL) {
592     if (q == NULL) {
638         q = NULL;
694     NETIF_SET_HWADDRHINT(netif, NULL);
729     NETIF_SET_HWADDRHINT(netif, NULL);
738     q = NULL;
777   for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) {
873     if ((netif = ip_route(&(pcb->remote_ip))) == NULL) {
893   for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) {
957     for (pcb2 = udp_pcbs; pcb2 != NULL; pcb2 = pcb2->next) {
959       if (pcb2->next != NULL && pcb2->next == pcb) {
971  * @return The UDP PCB which was created. NULL if the PCB data structure
982   if (pcb != NULL) {