- pointer = realloc(pointer, 50 * sizeof(int));
- pointer = realloc(pointer, 200 * sizeof(int));
+ void* ptmp;
+ if ((ptmp = realloc(pointer, 50 * sizeof(int))) != NULL)
+ pointer = ptmp;
+ if ((ptmp = realloc(pointer, 200 * sizeof(int))) != NULL)
+ pointer = ptmp;