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10.55 basename

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/basename.html

LSB specification:
https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-basename-3.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: mingw, MSVC 14.
• glibc and Android have two different functions basename: the POSIX version and the GNU version.
• basename assumes file names in POSIX syntax; it does not work with file names in Windows syntax.

The Gnulib module basename-lgpl provides similar API, with a function last_component, that also works with Windows file names.