If you want to have symbols that don't have all the C++ extra stuff you can do it with the extern statement. Something like this when you compile it will give you the myfactorial2 symbol you are after that you can load and link to inside your SAS session.
extern "C" int myfactorial2(int);
int myfactorial2(int n){
int i;
int p;
for(p=1, i=2; i<=n; p=p*i, i++);
return p;
}
When you compile that you'll have the myfactorial2 symbol and you won't need to do the swap around.
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