All symbols starting with `x' in djgppdoom

• x src/r_defs.h:415
• X11_DGA src/doomdef.h:92
• x28 src/g_game.c:177
• x32 src/g_game.c:176
• xc000000 src/p_enemy.c:1020
• xff src/am_map.c:289