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Annotation of coherent/d/PS2_KERNEL/coh.286/fifo_len.c, revision 1.1.1.1

1.1       root        1: /* fifo_len.c -- Measure an internally typed fifo in bytes.  */
                      2: #include <sys/typed.h>
                      3: 
                      4: 
                      5: /* How long is an open fifo?  */
                      6: long
                      7: fifo_len(ffp)
                      8:        FIFO *ffp;
                      9: {
                     10:        /* ffp->f_offset points at the terminating NUL space.  */
                     11:        return(sizeof(typed_space) +
                     12:                ((char *) ffp->f_offset) - ((char *)ffp->f_space));
                     13: } /* fifo_len() */

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