/sys$common/syshlp/HELPLIB.HLB
CRTL, access, Description
 *Conan The Librarian 

    The access function checks a file to see whether a specified
    access mode is allowed. If the DECC$ACL_ACCESS_CHECK feature
    logical is enabled, this function checks OpenVMS Access Control
    Lists (ACLs) as well as the UIC protection.
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