Defines starting with `g' in Quake

• GAME_COOP Quake/protocol.h:72
• GAME_DEATHMATCH Quake/protocol.h:73
• GAMENAME Quake/quakedef.h:36
• GC_DATA Quake/vregset.h:36
• GC_INDEX Quake/vregset.h:35
• GEFV_CACHESIZE Quake/pr_edict.c:54
• GL_COLOR_INDEX8_EXT Quake/gl_draw.c:26
• GLQUAKE Quake/math.s:24
• GLQUAKE_VERSION Quake/quakedef.h:27
• GL_RGBA4 Quake/gl_rsurf.c:27
• GLTEST Quake/quakedef.h:22
• GRAPHICS_MODE Quake/vid_ext.c:38
• GUARDSIZE Quake/d_surf.c:32