?? fifo.h
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#ifndef __FIFO_H__#define __FIFO_H__typedef void *HFIFO;#define FIFO_FLG_NOBLOCK 1#define FIFO_FLG_BLOCK 0#define E_COMMON -1#define E_BUSY -2#define E_FIFO_FULL -3#define E_FIFO_EMPTY -4#define E_FIFO_OVERSIZE -5#ifdef __cplusplusextern "C" {#endif/* Create and destroy FIFO */HFIFO fifo_create(const char *fifoname, int nslot, size_t slotsz);void fifo_destroy(HFIFO handle);/* Get an existing FIFO handle */HFIFO fifo_find_handle(const char *fifoname, size_t *pslotsz);/* Put and get data from FIFO */int fifo_put(HFIFO handle, void *data, size_t size, int flag);int fifo_get(HFIFO handle, void *buf, size_t size, int flag);/* Tag trigger and reset */int fifo_tag_trigger(HFIFO handle, int tagid);int fifo_tag_check(HFIFO handle, int tagid);#ifdef __cplusplus};#endif#endif?? 快捷鍵說明
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