On Mon, 2010-02-22 at 21:58 -0800, Brian Lavender wrote: > rint.c:20: warning: implicit declaration of function 'g_printf' > > I have include in my code. > > #include <glib.h> > > What am I missing? It still runs. #include <glib/gprintf.h> http://library.gnome.org/devel/glib/unstable/glib-String-Utility-Functions.html