C API Reference -- Ns_SetKey

### Ns_SetKey

#### Overview

Return the key name of a field

#### Syntax

        char *Ns_SetKey(
        Ns_Set *set,
        int index
        );

#### Description

The Ns_SetKey macro returns the field key name of the field at the given index.

#### Examples

        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);

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