The Rename One or More Files routine changes the names of one
    or more files. The specification of the files to be renamed can
    include wildcards.

    LIB$RENAME_FILE is similar in function to the DCL command RENAME.

    Format

      LIB$RENAME_FILE  old-filespec ,new-filespec

                       [,default-filespec] [,related-filespec]

                       [,flags] [,user-success-procedure]

                       [,user-error-procedure]

                       [,user-confirm-procedure]

                       [,user-specified-argument]

                       [,old-resultant-name] [,new-resultant-name]

                       [,file-scan-context]