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#ifndef LIST_H
#define LIST_H
#define list_add(Type, Head, Item) do {\
Item->next = Head; \
Head = Item; \
} while (0);
#define list_remove(Type, Head, Item) do {\
Type **p; \
for (p = &Head; *p; p = &((*p)->next)) { \
if (*p = Item) { \
*p = Item->next; \
} \
} \
} while (0);
#define list_foreach(Type, Head, Item) \
for (Item = Head; Item; Item = Item->next)
#endif
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