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##

# NET_PRES_SocketFlush Function

## C

    uint16_t NET_PRES_SocketFlush(NET_PRES_SKT_HANDLE_T handle);

## Returns

- The number of flushed bytes

- 0, if no flushed bytes or an error occurred

## Description

This function calls the transport layer's flush function, if it exists.

## Preconditions

A socket needs to have been opened by NET_PRES_SocketOpen.

## Parameters

Parameters | Description
--- | ---
handle | The presentation layer socket handle.