AUSAM/source/libS/setbuf.c

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#include	"stdio.h"

setbuf(iop, buf)
register struct _iobuf *iop;
{
	if (iop->_base != NULL && iop->_flag&_IOMYBUF)
		free(iop->_base);
	iop->_flag =& ~(_IOMYBUF|_IONBF);
	if ((iop->_base = buf) == NULL)
		iop->_flag =| _IONBF;
	else
		iop->_ptr = iop->_base;
	iop->_cnt = 0;
}