Encapsulate path and file names.
Converts a UTF-16 string to a (null-terminated) narrow string.
See Source File root/filename.d Documentation: https://dlang.org/phobos/dmd_root_filename.html Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/root/filename.d
Walter Bright, https://www.digitalmars.com
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Boost License 1.0
Encapsulate path and file names.