C API Reference -- Ns_SetUnique

### Ns_SetUnique

#### Overview

Check if a key in an Ns_Set is unique (case sensitive)

#### Syntax

        int Ns_SetUnique(
        Ns_Set *set,
        char *key
        );

#### Description

Ns_SetUnique returns 1 if the specified key is unique in the specified set and 0 if it is not. The test for uniqueness is performed case-sensitively. The case-insensitive counterpart to this function is Ns_SetIUnique.

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