Lines Matching defs:NULL
53 #ifndef NULL
54 #define NULL 0
76 * calls return NULL.
97 hashtblptr = NULL; /* Disallow zero-length tables */
99 return hashtblptr; /* NULL if failure */
107 * hashing scheme). Does nothing if the passed pointer is NULL.
129 * memory and resets all bucket pointers to NULL.
143 *bucketptr++ = NULL;
268 hash_member *previous = NULL;
285 memberptr->next = NULL;
305 tempptr->next = NULL;
323 * NULL is returned.
342 return NULL;
389 return NULL;