Variables starting with `z' in quake2

• z 321/linux/qgl_linux.c:279
• zfail 321/linux/qgl_linux.c:315
• zFar 321/linux/qgl_linux.c:121
• zi16stepu 321/ref_soft/r_varsa.asm:102
• zi8stepu 321/ref_soft/r_varsa.asm:103
• zNear 321/linux/qgl_linux.c:121
• zombietime 321/server/sv_main.c:33
• zpass 321/linux/qgl_linux.c:315
• zspantable 321/ref_soft/r_local.h:501