+ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb)(ASN1_SCTX *ctx));
+void ASN1_SCTX_free(ASN1_SCTX *p);
+const ASN1_ITEM *ASN1_SCTX_get_item(ASN1_SCTX *p);
+const ASN1_TEMPLATE * ASN1_SCTX_get_template(ASN1_SCTX *p);
+unsigned long ASN1_SCTX_get_flags(ASN1_SCTX *p);
+void ASN1_SCTX_set_app_data(ASN1_SCTX *p, void *data);
+void *ASN1_SCTX_get_app_data(ASN1_SCTX *p);
+