Updates for 386 OS X, add native OS X graphics from Paul Lalonde

gui-osx/draw.c

@@ -0,0 +1,22 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <memdraw.h>
+
+void
+memimagedraw(Memimage *dst, Rectangle r, Memimage *src, Point sp, Memimage *mask, Point mp, int op)
+{
+	_memimagedraw(_memimagedrawsetup(dst, r, src, sp, mask, mp, op));
+}
+
+ulong
+pixelbits(Memimage *m, Point p)
+{
+	return _pixelbits(m, p);
+}
+
+void
+memimageinit(void)
+{
+	_memimageinit();
+}