BSD 3 development

[unix-history] / usr / src / libc / stdio / setbuf.c

#include        <stdio.h>

setbuf(iop, buf)
register struct _iobuf *iop;
char *buf;
{
       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;
}