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| #define | SPA_LIST_INIT(list)   ((struct spa_list){ (list), (list) }) | 
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| #define | spa_list_is_empty(l)   ((l)->next == (l)) | 
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| #define | spa_list_first(head,  type,  member)   	SPA_CONTAINER_OF((head)->next, type, member) | 
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| #define | spa_list_last(head,  type,  member)   	SPA_CONTAINER_OF((head)->prev, type, member) | 
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| #define | spa_list_append(list,  item)   	spa_list_insert((list)->prev, item) | 
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| #define | spa_list_prepend(list,  item)   	spa_list_insert(list, item) | 
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| #define | spa_list_is_end(pos,  head,  member)   	(&(pos)->member == (head)) | 
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| #define | spa_list_next(pos,  member)   	SPA_CONTAINER_OF((pos)->member.next, __typeof__(*(pos)), member) | 
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| #define | spa_list_prev(pos,  member)   	SPA_CONTAINER_OF((pos)->member.prev, __typeof__(*(pos)), member) | 
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| #define | spa_list_consume(pos,  head,  member) | 
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| #define | spa_list_for_each_next(pos,  head,  curr,  member) | 
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| #define | spa_list_for_each_prev(pos,  head,  curr,  member) | 
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| #define | spa_list_for_each(pos,  head,  member)   	spa_list_for_each_next(pos, head, head, member) | 
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| #define | spa_list_for_each_reverse(pos,  head,  member)   	spa_list_for_each_prev(pos, head, head, member) | 
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| #define | spa_list_for_each_safe_next(pos,  tmp,  head,  curr,  member) | 
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| #define | spa_list_for_each_safe_prev(pos,  tmp,  head,  curr,  member) | 
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| #define | spa_list_for_each_safe(pos,  tmp,  head,  member)   	spa_list_for_each_safe_next(pos, tmp, head, head, member) | 
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| #define | spa_list_for_each_safe_reverse(pos,  tmp,  head,  member)   	spa_list_for_each_safe_prev(pos, tmp, head, head, member) | 
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| #define | spa_list_cursor_start(cursor,  head,  member)           spa_list_prepend(head, &(cursor).member) | 
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| #define | spa_list_for_each_cursor(pos,  cursor,  head,  member) | 
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| #define | spa_list_cursor_end(cursor,  member)           spa_list_remove(&(cursor).member) | 
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