Variables starting with `r' in arch/i386/isa

• rbuf arch/i386/isa/if_is.c:108
• rcsid arch/i386/isa/com.c:45
• rd arch/i386/isa/if_is.c:107
• rwdbuf arch/i386/isa/wd.c:144
• rwtbuf arch/i386/isa/wt.c:225