Intel® Fortran Compiler XE 13.1 User and Reference Guides
POSIX Subroutine: Clears the process environment.
USE IFPOSIX
CALL PXFCLEARENV (ierror)
ierror |
(Output) INTEGER(4). The error status. |
If successful, ierror is set to zero; otherwise, an error code.
After a call to PXFCLEARENV, no environment variables are defined.