Variables starting with `e' in machdep/i386

• empty_stacks machdep/i386/pcb.c:61
• event machdep/i386/pmon_ipc.h:83
• event_port machdep/i386/pmon_ipc.h:121
• extend_mode machdep/i386/dma_internal.h:63
• extmem machdep/i386/i386_init.c:92