mingw compatability

datatypes.c

@@ -75,7 +75,8 @@ void * arlst_del(ArrayList *l, int id) {
         size_t new_size = l-> size + (l->capacity * (100 / D_SHRINK_THRESHOLD) * 
                 100 / D_GROW_AMOUNT);
 
-        l->items = reallocarray(l->items, new_size, sizeof(void *));
+//        l->items = reallocarray(l->items, new_size, sizeof(void *));
+        l->items = realloc(l->items,  new_size * sizeof(void *));
     }
 
     return item;
@@ -88,7 +89,8 @@ int arlst_add(ArrayList *l, void *item) {
     if (l->size == l->capacity) {
         size_t new_size = l->capacity + (100 / D_GROW_AMOUNT) * l->capacity;
         l->capacity = new_size;
-        l->items = (void **)reallocarray(l->items, new_size, sizeof(void *));
+        //l->items = (void **)reallocarray(l->items, new_size, sizeof(void *));
+        l->items = (void **)realloc(l->items, new_size * sizeof(void *));
     }
 
     l->items[item_index] = item;

datatypes.h

@@ -1,5 +1,6 @@
 #ifndef DTYPE_H
 #define DTYPE_H
+
 #include <stdlib.h>
 
 enum {