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Annotation of 40BSD/lib/libI77/rewind.c, revision 1.1.1.1

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

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