alist.h

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#define alist_foreach(list, l) \
        for ((l) = (list); (l); (l) = alist_next(l))

#define alist_foreach_safe(list, l, n) \
        for ((l) = (list), (n) = alist_next(l); \
                (l); \
                (l) = (n), (n) = alist_next(l))

struct alist;

extern struct alist *alist_append(struct alist *list, struct alist *new);
extern struct alist *alist_prepend(struct alist *list, struct alist *new);
extern struct alist *alist_remove(struct alist *list, struct alist *l);
extern struct alist *alist_next(struct alist *l);
extern struct alist *alist_prev(struct alist *l);
extern int alist_count(struct alist *l);
extern struct alist *alist_nth(struct alist *l, int nth);

/* End of a file */