https://www.intel.com/content/www/us/en/docs/fortran-compiler/developer-guide-reference/2023-0/pxfgetenv.html
PXFGETENV
POSIX Subroutine: Gets the setting of an environment variable.
https://www.intel.com/content/www/us/en/docs/fortran-compiler/developer-guide-reference/2025-2/pxfgetenv.html
PXFGETENV
POSIX Subroutine: Gets the setting of an environment variable.