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Annotation of researchv9/libc/stdio/setbuf.c, revision 1.1

1.1     ! root        1: /* @(#)setbuf.c        4.1 (Berkeley) 12/21/80 */
        !             2: #include       <stdio.h>
        !             3: 
        !             4: setbuf(iop, buf)
        !             5: register struct _iobuf *iop;
        !             6: char *buf;
        !             7: {
        !             8:        extern _cleanup();
        !             9:        extern _setcleanup;
        !            10: 
        !            11:        if(_setcleanup){
        !            12:                _setcleanup = 0;
        !            13:                onexit(_cleanup);
        !            14:        }
        !            15:        if (iop->_base != NULL && iop->_flag&_IOMYBUF)
        !            16:                free(iop->_base);
        !            17:        iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF);
        !            18:        if ((iop->_base = (unsigned char *)buf) == NULL)
        !            19:                iop->_flag |= _IONBF;
        !            20:        else
        !            21:                iop->_ptr = iop->_base;
        !            22:        iop->_cnt = 0;
        !            23: }

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