Lines Matching defs:NULL
51 static char *memtop = NULL; /* PWP: top of current memory */
52 static char *membot = NULL; /* PWP: bottom of allocatable memory */
86 #ifndef NULL
87 #define NULL 0
207 if (nextf[bucket] == NULL)
209 if ((p = nextf[bucket]) == NULL) {
214 showall(NULL, NULL);
263 if (membot == NULL)
296 op->ov_next = NULL;
312 if (cp == NULL || dont_free)
338 if (cp == NULL)
388 if (cp == NULL)
423 if ((res = malloc(nbytes)) == NULL)
424 return ((memalign_t) NULL);
517 if (membot == NULL)
521 if ((ptr = malloc(n)) == NULL)
526 if (membot == NULL)
540 if (membot == NULL)
544 if ((ptr = (p ? realloc(p, n) : malloc(n))) == NULL)
549 if (membot == NULL)
564 if (membot == NULL)
568 if ((ptr = malloc(n)) == NULL)
576 if (membot == NULL)