namespace cln {
-void print_vector (cl_ostream stream, const cl_print_flags& flags, void (* printfun) (cl_ostream, const cl_print_flags&, const cl_number&), const cl_SV_number& vector)
+void print_vector (std::ostream& stream, const cl_print_flags& flags, void (* printfun) (std::ostream&, const cl_print_flags&, const cl_number&), const cl_SV_number& vector)
{
var uintL len = vector.length();
if (flags.vector_syntax == vsyntax_commonlisp) {