Lines Matching defs:NULL
25 #ifndef NULL
26 #define NULL ((void*)0)
128 return NULL;
132 return NULL;
152 return NULL;
158 return NULL;
165 if (memory == NULL && mem != NULL)
175 if (memory) /* we guarantee it's safe to free (NULL) */
189 if (str == NULL)
190 return NULL;
195 if (copy == NULL)
196 return NULL;
