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Annotation of 40BSD/lib/libpc/UNSYNC.c, revision 1.1

1.1     ! root        1: /* Copyright (c) 1979 Regents of the University of California */
        !             2: 
        !             3: static char sccsid[] = "@(#)UNSYNC.c 1.1 10/29/80";
        !             4: 
        !             5: #include "h00vars.h"
        !             6: #include "h01errs.h"
        !             7: 
        !             8: /*
        !             9:  * push back last char read to prepare for formatted read
        !            10:  */
        !            11: UNSYNC(curfile)
        !            12: 
        !            13:        register struct iorec   *curfile;
        !            14: {
        !            15:        if (curfile->funit & FWRITE) {
        !            16:                ERROR(EREADIT, curfile->pfname);
        !            17:                return;
        !            18:        }
        !            19:        if ((curfile->funit & SYNC) == 0) {
        !            20:                ungetc(*curfile->fileptr, curfile->fbuf);
        !            21:        }
        !            22: }

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