Extra tools for the musl libc.
All kudos for the C language source code goes to the NetBSD and Alpine Linux team — read the copyright header of each file for more information.
getconf and getent are directly derived from the NetBSD source-tree,
covered by the BSD 2-Clause licence.
iconv was written by Rich Felker, and it's covered by the GNU General
Public Licence version 2.
ldconfig was written by Samuel Holland, and it's covered by the BSD 0-Clause
licence.