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# BNNSGraphGetInputCount(_:_:)

Returns the number of input arguments for the given function argument.

```
func BNNSGraphGetInputCount(_ graph: bnns_graph_t, _ function: UnsafePointer<CChar>?) -> Int
```

## Parameters

`graph`

The compiled graph object.

`function`

The function. Specify as `nil` if the graph only contains one function.

## Return Value

The number of input arguments, or `SIZE_T_MAX` if the query fails.

## Discussion

---

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