Added some comments
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@ -69,10 +69,16 @@ new_mem(p) register p_info p; {
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if (p->i_max >= p->i_top) { /* No more free elements */
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sz = p->i_size;
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#if BIGMACHINE
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/*
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Do not worry about size. Just double it.
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*/
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p->i_size += p->i_size;
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if (! p->i_size)
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p->i_size += p->i_incr * p->i_esize;
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#else
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/*
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Worry about size, so only increment in chunks of i_incr.
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*/
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p->i_size += p->i_incr * p->i_esize;
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#endif
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p->i_ptr = !p->i_ptr ?
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