p_class
const char * p_class(int);
stp_parameter_class_t parameterClass = parameter->p_class;
len = SPRINTF((tmp, " %s %s", p_class(class), p_type(type)));
qname, p_class(C_IN), p_type(qtype),
qname, p_class(C_IN), p_type(qtype),
p_class(ns_rr_class(rr)));
_res_opcodes[op], dname, p_class(class), p_type(type));