E_DCB

This structure contains device-specific information. It is used at stream creation by the application media control device to deliver device-specific information to the source or target stream handlers.

 typedef struct _E_DCB {
   ULONG     ulDCBLen;                 /* Length of structure. */
   SZ        szDevName[MAX_SPI_NAME];  /* Device driver name. */
   ULONG     ulSysFileNum;             /* File handle number. */
 } E_DCB;
 
 typedef   E_DCB  FAR * PE_DCB;