Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
libc: Make various internal file descriptors from fopen() close-on-exec.
Add Aerospace Corporation copyrights to EUI64 support files.Suggested by: marcel, imp
Add support for an /etc/eui64 file modeled on /etc/ethers. The API ismodeled on ethers(3) except that all functions are thread-safe.Reviewed by: simokawa