Typedefs starting with `l' in quake2

• laser_t 321/client/cl_tent.c:67
• link_t 321/ctf/game.h:54
• loopback_t 321/linux/net_udp.c:54
• loopmsg_t 321/linux/net_udp.c:48
• lump_t 321/qcommon/qfiles.h:260