Structs starting with `e' in bsd/sys

• eproc bsd/sys/sysctl.h:216
• eventqelt bsd/sys/ev.h:64
• eventreq bsd/sys/ev.h:32
• execve_args bsd/sys/exec.h:90
• export_args bsd/sys/mount.h:223
• extern_proc bsd/sys/proc.h:199
• ext_refsq bsd/sys/mbuf.h:119