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ECUSB_Stream_IsDataAvailable
The ECUSB_Stream_IsDataAvailable function reports if there is data from the host available to read.
BOOL ECUSB_Stream_IsDataAvailable(
   struct ECUSB_Stream_Function *pStreamFunction
);
Parameters
pStreamFunction
A pointer to the struct ECUSB_Stream_Function previously initialized by ECUSB_Stream_Init().
Return value
Returns TRUE if there is data available.