KFIFO_LEN(9) FIFO Buffer KFIFO_LEN(9)NAMEkfifo_len - returns the number of used elements in the fifoSYNOPSISkfifo_len(fifo);ARGUMENTSfifo address of the fifo to be usedCOPYRIGHTKernel Hackers Manual 3.10 June 2014 KFIFO_LEN(9)
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