crypt and null termination

Look at this from the BSD/OS crypt() manual page:
    The crypt function performs password encryption.  It is derived from the    NBS Data Encryption Standard.
Additionalcode has been added to deter    key search attempts.  The first argument to crypt is a NUL-terminated
string(normally a password typed by a user).  The second is a character    array, 9 bytes in length, consisting of an
underscore(``_'') followed by    4 bytes of iteration count and 4 bytes of salt.  Both the iteration count    and the
saltare encoded with 6 bits per character, least significant    bits first.  The values 0 to 63 are encoded by the
characters``./0-9A-    Za-z'', respectively.
 

...
    For compatibility with historical versions of crypt(3),  the setting may    consist of 2 bytes of salt, encoded as
above,in which case an iteration    count of 25 is used, fewer perturbations of DES are available, at most 8
charactersof key are used, and the returned value is a NUL-terminated    string 13 bytes in length.
 

It seems to say that the salt passed to crypt should be null-terminated, but
we call crypt from libpq as:
crypt_pwd = crypt(password, conn->salt);

and conn.salt is char[2].  Isn't this a problem?

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