Index: examples/howto/selection/selection.cc
===================================================================
--- examples/howto/selection/selection.cc	(revision 20814)
+++ examples/howto/selection/selection.cc	(working copy)
@@ -47,7 +47,7 @@
 	cout << " * type() = " << selection_data.get_type() << endl;
 	cout << " * format() = " << selection_data.format() << endl;
 	cout.setf(ios_base::hex, ios_base::basefield);
-	cout << " * data() = 0x" << reinterpret_cast<unsigned int>(selection_data.data()) << endl;
+	cout << " * data() = 0x" << static_cast<int>(*selection_data.data()) << endl;
 	cout.setf(ios_base::dec, ios_base::basefield);
 	cout << " * length() = " << selection_data.length() << endl << endl;
 	
Index: examples/core/iochannel/iochannel.cc
===================================================================
--- examples/core/iochannel/iochannel.cc	(revision 20814)
+++ examples/core/iochannel/iochannel.cc	(working copy)
@@ -62,7 +62,7 @@
 
 	String buffer;
 	int read_length = 0;
-	unsigned int length_out = 0;
+	size_t length_out = 0;
 	long write_length = 0;
 
 	while (true)
@@ -76,7 +76,7 @@
 		read_length += buffer.size();
 
 		do
-		status = gio_write->write(buffer, &length_out, &error);
+		status = gio_write->write(buffer.c_str(), &length_out, &error);
 		while (status == G::IO_STATUS_AGAIN);
 		if (status != G::IO_STATUS_NORMAL)
 		break;