Lines Matching refs:NULL
143 { NULL }
153 #define SLIST_EMPTY(head) ((head)->slh_first == NULL)
169 ((var) = *(varp)) != NULL; \
173 SLIST_FIRST((head)) = NULL; \
216 { NULL, &(head).stqh_first }
234 #define STAILQ_EMPTY(head) ((head)->stqh_first == NULL)
250 STAILQ_FIRST((head)) = NULL; \
255 if ((STAILQ_NEXT((elm), field) = STAILQ_NEXT((tqelm), field)) == NULL)\
261 if ((STAILQ_NEXT((elm), field) = STAILQ_FIRST((head))) == NULL) \
267 STAILQ_NEXT((elm), field) = NULL; \
274 NULL : \
289 STAILQ_NEXT(STAILQ_NEXT(curelm, field), field)) == NULL)\
297 STAILQ_NEXT(STAILQ_FIRST((head)), field)) == NULL) \
310 { NULL }
324 if (LIST_FIRST((head)) != NULL && \
331 if (LIST_NEXT((elm), field) != NULL && \
347 #define LIST_EMPTY(head) ((head)->lh_first == NULL)
362 LIST_FIRST((head)) = NULL; \
367 if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL)\
384 if ((LIST_NEXT((elm), field) = LIST_FIRST((head))) != NULL) \
395 if (LIST_NEXT((elm), field) != NULL) \
414 { NULL, &(head).tqh_first }
435 if (*(head)->tqh_last != NULL) \
436 panic("Bad tailq NEXT(%p->tqh_last) != NULL", (head)); \
440 if (TAILQ_NEXT((elm), field) != NULL && \
468 #define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
493 TAILQ_FIRST((head)) = NULL; \
500 if ((TAILQ_NEXT((elm), field) = TAILQ_NEXT((listelm), field)) != NULL)\
525 if ((TAILQ_NEXT((elm), field) = TAILQ_FIRST((head))) != NULL) \
538 TAILQ_NEXT((elm), field) = NULL; \
557 if ((TAILQ_NEXT((elm), field)) != NULL) \