POSIX Subroutine: Gets the effective user ID of the current process.
Module: USE IFPOSIX
Syntax
CALL PXFGETEUID (ieuid, ierror)
ieuid
(Output) INTEGER(4). The returned effective user ID.
ierror
(Output) INTEGER(4). The error status.
If successful, ierror is set to zero; otherwise, an error code.
The effective ID corresponds to the set ID bit on the file being executed.