cols = g_list_append (cols, GINT_TO_POINTER(col));
colwidths = g_list_append (colwidths, GINT_TO_POINTER(width));
colsortables = g_list_append (colsortables, GINT_TO_POINTER(sort));
cols = g_list_append (cols, GINT_TO_POINTER(col));
colwidths = g_list_append (colwidths, GINT_TO_POINTER(width));
colsortables = g_list_append (colsortables, GINT_TO_POINTER(sort));