Must be written in c (not c++)/GTK - programmer should be familiar with Dev-cpp/GTK and code must compile under this (any additional headers must be supplied).
Required: A GTK Window with button (only!) with the following GTK callback is required to open a Windows printer dialog and print a test dialog (on paper) from a string variable - eg. testinfo = "Your print button is functional!" - must work with both LPT1 and USB printers.
on_buttontest_clicked (GtkButton *button,
I think this is a very simple request - is anybody capable?