BN_BITS2          664 extra_lib/include/openssl/bn.h #define bn_expand(a,bits) ((((((bits+BN_BITS2-1))/BN_BITS2)) <= (a)->dmax)?\
BN_BITS2          665 extra_lib/include/openssl/bn.h 	(a):bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2))