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22 lines
456 B
C
22 lines
456 B
C
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typedef struct RINGBUFFER;
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typedef struct
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{
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/* what you need */
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struct RBITEM *next_alloc;
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struct RBITEM *last_alloc;
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struct RBITEM *first;
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struct RBITEM *last;
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void *memory;
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int size;
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} RINGBUFFER;
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RINGBUFFER *rb_init(void *memory, int size;
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void *rb_allocate(RINGBUFFER *rb, int size);
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void *rb_prev(RINGBUFFER *rb, void *current);
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void *rb_next(RINGBUFFER *rb, void *current);
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void *rb_first(RINGBUFFER *rb);
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void *rb_last(RINGBUFFER *rb);
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