150 static void mp_exch(mp_int * a, mp_int * b);
570     mp_exch (&t, c);  in mp_mod()
910   mp_exch (&C, c);  in mp_invmod_slow()
1086     mp_exch (&t, d);  in mp_div_2d()
1222 static void mp_exch (mp_int * a, mp_int * b)  in mp_exch()  function
1656      mp_exch(c, &q);  in mp_div()
1660      mp_exch(d, &ta);  in mp_div()
1847     mp_exch (&q, c);  in mp_div()
1853     mp_exch (&x, d);  in mp_div()
2089   mp_exch (&res, Y);  in s_mp_exptmod()
2394   mp_exch (&t, c);  in s_mp_mul_digs()
2577   mp_exch (&t, b);  in s_mp_sqr()
2637   mp_exch (&t, c);  in s_mp_mul_high_digs()
3226   mp_exch (&res, Y);  in mp_exptmod_fast()