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##

# TCPIP_STACK_HEAP_FreeSize Function

## C

    size_t TCPIP_STACK_HEAP_FreeSize(
        TCPIP_STACK_HEAP_HANDLE heapH
    );

## Description

This function returns the size of the space currently available in the heap.

## Preconditions

heapH - valid heap handle.

## Parameters

Parameters | Description
--- | ---
heapH | Handle to a heap.

## Returns

- The size of the available space in the heap.

## Remarks

None.