--- main.c.old	Wed Jul  7 02:26:00 1999
+++ main.c	Wed Jul  7 02:27:38 1999
@@ -303,13 +303,16 @@
 
 void heap_realloc()		/* reallocate system/user heaps */
 {
+#if SUN4 == 1
     cfree((char *)sheap); SHEAP_SIZE=SHEAP_SIZE*1.2; system_heap_alloc();
-/*    free(heap);   HEAP_SIZE *= 1.2; 
+#else
+    free(heap);   HEAP_SIZE *= 1.2; 
     free(cheap);   CHEAP_SIZE *= 1.2;
     free(eheap);  ESP_SIZE *= 1.2;
     free(ustack);  USTACK_SIZE *= 1.2;
     free(nheap);   NAME_SIZE *= 1.2; 
-    heap_alloc();  */
+    heap_alloc();
+#endif /* SUN4 */
     init_status();
 }
 
