On Fri, Oct 19, 2012 at 01:34:02PM +0200, belal medhat wrote: > i wanna ask a question > to work with gtk+ for c i should learn c89 or c99? Gtk+ is C89-compatible and you can use it with either standard (or C11). So learn whatever the toolchain(s) you target support. Nowadays C99 should be mostly fine. If you stay away from Microsoft Visual C++ that is. Yeti _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx https://mail.gnome.org/mailman/listinfo/gtk-list