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Annotation of 3BSD/new/libI77uc/rewind.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * rewind.c  -  f77 file rewind
                      3:  */
                      4: 
                      5: #include "fio.h"
                      6: 
                      7: f_rew(a) alist *a;
                      8: {      int n;
                      9:        unit *b;
                     10:        lfname = NULL;
                     11:        elist = NO;
                     12:        external = YES;                 /* for err */
                     13:        lunit = a->aunit;
                     14:        if(not_legal(lunit)) err(a->aerr,101,"rewind")
                     15:        b = &units[lunit];
                     16:        if(!b->ufd && (n=fk_open(READ,SEQ,FMT,lunit)) ) err(a->aerr,n,"rewind")
                     17:        lfname = b->ufnm;
                     18:        if(!b->useek) err(a->aerr,106,"rewind")
                     19:        b->uend = NO;
                     20:        if(b->uwrt)
                     21:                if(n=t_runc(b,a->aerr)) return(n);
                     22:        rewind(b->ufd);
                     23:        return(OK);
                     24: }

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