+int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x);
+int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
+ int lastpos);
+int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, ASN1_OBJECT *obj,
+ int lastpos);
+X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc);
+X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc);
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
+ X509_ATTRIBUTE *attr);
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x,
+ ASN1_OBJECT *obj, int type,
+ unsigned char *bytes, int len);
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
+ int nid, int type,
+ unsigned char *bytes, int len);
+STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
+ char *attrname, int type,
+ unsigned char *bytes, int len);
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
+ int atrtype, void *data, int len);
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
+ ASN1_OBJECT *obj, int atrtype, void *data, int len);
+X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
+ char *atrname, int type, unsigned char *bytes, int len);
+int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, ASN1_OBJECT *obj);
+int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, void *data, int len);
+void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
+ int atrtype, void *data);
+int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr);
+ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr);
+ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx);
+