SDATA

typedef struct { // sdata
PVOID pData;
DWORD dwSize;
} SDATA, *PSDATA;

Contains the address of a data buffer and the amount of data in the buffer. An application uses the SDATA structure to pass data to various speech API functions.

pData

Address of a buffer that contains the data.

dwSize

Size, in bytes, of the data in the buffer specified by pData.