Plumbattr* plumbaddattr(Plumbattr *a, Plumbattr *new)
.PP
.B
-Plumbattr* plumbdelattr(Plumbattra *a, char *name)
+Plumbattr* plumbdelattr(Plumbattr *a, char *name)
.PP
.B
int eplumb(int key, char *port)
(which may be a list) to the attribute list
.IR a
and returns the new list.
-.I Plumbattr
+.I Plumbdelattr
searches the list
.I a
for the first attribute with name