HELPLIB.HLB  —  CRTL  strxfrm  Return Value
    x                  Length of the resulting string pointed to
                       by s1, not including the terminating null
                       character.

                       No return value is reserved for error
                       indication. However, the function can set
                       errno to EINVAL - The string pointed to by s2
                       contains characters outside the domain of the
                       collating sequence.
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