Lahey/GNU Fortran

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8.252 UMASK — Set the file creation mask

Description:
Sets the file creation mask to MASK. If called as a function, it returns the old value. If called as a subroutine and argument OLD if it is supplied, it is set to the old value. See umask(2).
Standard:
GNU extension
Class:
Subroutine, function
Syntax:

CALL UMASK(MASK [, OLD])
OLD = UMASK(MASK)

Arguments:

MASK Shall be a scalar of type INTEGER.
OLD (Optional) Shall be a scalar of type INTEGER.