All symbols starting with `z' in 321/win32

• z 321/win32/qgl_win.c:283
• zfail 321/win32/qgl_win.c:319
• zFar 321/win32/qgl_win.c:125
• zNear 321/win32/qgl_win.c:125
• zpass 321/win32/qgl_win.c:319