static int BN_ref_mod_exp(r,a,p,m,ctx)
static int BN_ref_mod_exp(r,a,p,m,ctx,m_ctx)
static int BN_ref_mod_exp(r,a,p,m,ctx)BIGNUM *r,*a,*p,*m;BN_CTX *ctx;	{	RSAREFerr(RSAREF_F_BN_REF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);	return(0);	}