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Ns_Set *Ns_SetCopy(
Ns_Set *old
);
This function returns a newly allocated set that contains the same fields as the original set. The two sets share no memory and can be freed individually.
Ns_Set *setA;
Ns_Set *setB;
setA = Ns_SetCreate("setA");
Ns_SetPut(setA, "foo", "foovalue");
setB = Ns_SetCopy(setA);
Ns_SetFree(setA);
/* do something with setB */
Ns_SetFree(setB);