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char *Ns_SetKey(
Ns_Set *set,
int index
);
The Ns_SetKey macro returns the field key name of the field at the given index.
Ns_Set *aSet;
aSet = Ns_SetCreate("");
Ns_SetPut(aSet, "foo", "foovalue");
Ns_SetPut(aSet, "bar", "barvalue");
printf("Key at index 0 is %s\n", Ns_SetKey(aSet, 0));
/* finish processing of aSet */
Ns_SetFree(aSet);