crypt system call for xenix 2.3

[Jenn-Ming Yang]

I am writing a protocol that requires various system calls.
One of these calls is to 'crypt'.
Unfortunetly, i do not have a 'crypt' system call in the runtime 
library for xenix 2.3. There is a problem getting it from SCO(don't ask...).
If any one has the source code for such a system call, i would appreciate
them mailing it to me. I think another way to get such a system
call may be to obtain the 'library' image file that it is contained in.
much thanks
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