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Annotation of researchv10dc/libI77/old/rewind.c, revision 1.1.1.1

1.1       root        1: /*     @(#)rewind.c    1.2     */
                      2: /*     3.0 SID #       1.2     */
                      3: #include "fio.h"
                      4: f_rew(a) alist *a;
                      5: {
                      6:        unit *b;
                      7:        if(a->aunit>=MXUNIT || a->aunit<0) err(a->aerr,101,"rewind");
                      8:        b = &units[a->aunit];
                      9:        if(b->ufd == NULL) return(0);
                     10:        if(!b->useek) err(a->aerr,106,"rewind")
                     11:        if(b->uwrt)
                     12:        {       (void) nowreading(b);
                     13:                (void) t_runc(b);
                     14:        }
                     15:        rewind(b->ufd);
                     16:        b->uend=0;
                     17:        return(0);
                     18: }

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