Variables starting with `x' in machdep/i386

• x1234 machdep/i386/start.s:51
• x2000 machdep/i386/machine_clock.c:144
• xdrmbuf_ops machdep/i386/swapgeneric.m:88
• xf6 machdep/i386/Helvetica.14.c:116
• xff machdep/i386/Helvetica.14.c:1083
• ___xxx_state machdep/i386/i386_init.c:103