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##

# 1.2.3.4.19 SYS_CMD_DATA_RDY_FNC Typedef

## C

    typedef int (*SYS_CMD_DATA_RDY_FNC)(const void* cmdIoParam);

## Summary

Identifies a data available function API.

## Description

Ready Status Check function API. This handle identifies the interface structure of the data available function API within the Command IO encapsulation.

Returns the number of available characters that could be read

## Remarks

None.