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13.70.6 clearenv

Documentation:

• https://www.gnu.org/software/libc/manual/html_node/Environment-Access.html,
• man clearenv.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on some platforms: macOS 14, FreeBSD 13.2, NetBSD 10.0, OpenBSD 6.7, Minix 3.1.8, Solaris 10, Cygwin 2.9, mingw, MSVC 14.