+#define SSL_CTX_get_extra_chain_certs(ctx,px509) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
+#define SSL_CTX_clear_extra_chain_certs(ctx) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
+
+#define SSL_CTX_set0_chain(ctx,sk) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)sk)
+#define SSL_CTX_set1_chain(ctx,sk) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)sk)
+#define SSL_CTX_add0_chain_cert(ctx,x509) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)x509)
+#define SSL_CTX_add1_chain_cert(ctx,x509) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)x509)
+
+#define SSL_set0_chain(ctx,sk) \
+ SSL_ctrl(ctx,SSL_CTRL_CHAIN,0,(char *)sk)
+#define SSL_set1_chain(ctx,sk) \
+ SSL_ctrl(ctx,SSL_CTRL_CHAIN,1,(char *)sk)
+#define SSL_add0_chain_cert(ctx,x509) \
+ SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,0,(char *)x509)
+#define SSL_add1_chain_cert(ctx,x509) \
+ SSL_ctrl(ctx,SSL_CTRL_CHAIN_CERT,1,(char *)x509)
+#define SSL_get1_curves(ctx, s) \
+ SSL_ctrl(ctx,SSL_CTRL_GET_CURVES,0,(char *)s)
+#define SSL_CTX_set1_curves(ctx, clist, clistlen) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURVES,clistlen,(char *)clist)
+#define SSL_CTX_set1_curves_list(ctx, s) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CURVES_LIST,0,(char *)s)
+#define SSL_set1_curves(ctx, clist, clistlen) \
+ SSL_ctrl(ctx,SSL_CTRL_SET_CURVES,clistlen,(char *)clist)
+#define SSL_set1_curves_list(ctx, s) \
+ SSL_ctrl(ctx,SSL_CTRL_SET_CURVES_LIST,0,(char *)s)
+#define SSL_get_shared_curve(s, n) \
+ SSL_ctrl(s,SSL_CTRL_GET_SHARED_CURVE,n,NULL)
+#define SSL_CTX_set_ecdh_auto(ctx, onoff) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)
+#define SSL_set_ecdh_auto(s, onoff) \
+ SSL_ctrl(s,SSL_CTRL_SET_ECDH_AUTO,onoff,NULL)