POSIX Subroutine: Returns the value associated with a constant.
モジュール
USE IFPOSIX
CALL PXFCONST (constname,ival,ierror)
constname
(Input) Character. The name of one of the following constants:
STDIN_UNIT
STDOUT_UNIT
STDERR_UNIT
EINVAL
ENONAME
ENOHANDLE
EARRAYLEN
ENOENT
ENOTDIR
EACCES
The constants beginning with E signify various error values for the system variable errno.
ival
(Output) INTEGER(4). The returned value of the constant.
ierror
(Output) INTEGER(4). The error status.
If successful, ierror is set to zero; otherwise, it is set to -1.
For more information on these constants, see your Microsoft* Visual C++ documentation (Windows* systems) or the errno.h file (Linux* and OS X* systems).