swap              704 core/gui_draw.c          swap(x1, y1);
swap              705 core/gui_draw.c          swap(x2, y2);
swap              709 core/gui_draw.c          swap(x1, x2);
swap              710 core/gui_draw.c          swap(y1, y2);
swap              738 core/gui_draw.c         swap(x1, y1);
swap              739 core/gui_draw.c         swap(x2, y2);
swap              743 core/gui_draw.c         swap(x1, x2);
swap              744 core/gui_draw.c         swap(y1, y2);
swap              813 core/gui_draw.c         swap(x1, x2);
swap              815 core/gui_draw.c         swap(y1, y2);