Added tutorial files from Maciek

git-svn-id: svn://svn.cc65.org/cc65/trunk@149 b7a2c559-68d2-44c3-8de9-860c34a00d81

samples/geos/yesno.c

@@ -0,0 +1,27 @@
+
+/*
+
+   GEOSLib example
+
+   example of using DlgBoxYesNo, DlgBoxOkCancel and DlgBoxOk functions
+
+   Maciej 'YTM/Alliance' Witkowiak
+   <ytm@friko.onet.pl>
+
+   26.12.1999
+ */
+
+#include <geos.h>
+
+void main(void)
+{
+	do {
+		if (DlgBoxYesNo("Are you female?", "(don't lie ;-)") == YES) {
+			DlgBoxOk("You claim to be woman!", "You wanna dance?");
+		} else {
+			DlgBoxOk("Ergh, another man...", "Let's go for a beer.");
+		};
+	} while (DlgBoxOkCancel("Do you want to try again?", "") == OK);
+
+    EnterDeskTop();
+}