Errors compiling Adventure

[mark at cogent.UUCP]

Upon compiling the source code to Adventure, I encounter these two
labels that cannot be resolved by /bin/ld:

random
srandom

Are these BSD calls?  I am on SysV.  How can I get around this?
-- 
+----------------------------------------------------------------------------+
|     Mark Steven Jeghers         ECHOMPGULP - process has eaten it          |
| cryptography, terrorist, DES, drugs, cipher, secret, decode, NSA, CIA, NRO |
|                                                                            |
|     {ihnp4,cbosgd,lll-lcc,lll-crg}|{dual,ptsfa}!cogent!mark                |
|                                                                            |
| Cogent Software Solutions can not be held responsible for anything said    |
| by the above person since they have no control over him in the first place |
+----------------------------------------------------------------------------+