MS>       __cxchg - Exchange Character Value with Memory
 MS>       __lxchg - Exchange Integer Value with Memory
 MS>       __sxchg - Exchange Integer Value with Memory

ahhh, ok.

...they certainly leave a lot for you to do yourself though -- and the
example is doltish -- polling in a DosSleep(1) loop;  jeapers.  What if the
resource is locked for an hour?



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