Lines Matching refs:NULL

260  * The last entry must be NULL.
277   NULL
378       pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL);
446   pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL);
454     for (j = 0; (protp = ppp_protocols[j]) != NULL; ++j) {
542   if (linkStatusCB == NULL) {
602   lcp_close(pd, NULL);
616   if (linkStatusCB == NULL) {
708   for(b = nb; b != NULL; b = b->next) {
728  * is not NULL and the character needs to be escaped, do so.
817   struct pbuf *headMB = NULL, *tailMB = NULL, *p;
853   if (headMB == NULL) {
893     tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
935   tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
1090   if (headMB == NULL) {
1102     tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
1123   tailMB = pppAppend(PPP_FLAG, tailMB, NULL);
1402       pc->linkStatusCB(pc->linkStatusCtx, PPPERR_CONNECT, NULL);
1504     netif_set_default(NULL);
1550     pc->linkStatusCB(pc->linkStatusCtx, pc->errCode ? pc->errCode : PPPERR_PROTOCOL, NULL);
1583   for(b = p, pl = q->payload; b != NULL; b = b->next) {
1690       for (i = 0; (protp = ppp_protocols[i]) != NULL; ++i) {
1731   if (pcrx->inHead != NULL) {
1736     pcrx->inHead = NULL;
1738   pcrx->inTail = NULL;
1747   if (pcrx->inHead != NULL) {
1847           pcrx->inHead = NULL;
1848           pcrx->inTail = NULL;
1931           if (pcrx->inTail == NULL || pcrx->inTail->len == PBUF_POOL_BUFSIZE) {
1932             if (pcrx->inTail != NULL) {
1937                 pcrx->inTail = NULL;
1942             if (nextNBuf == NULL) {
1952             if (pcrx->inHead == NULL) {