/* constants for dispatcher */

#define BUILDCOMMDCB                    0
#define OPENCOMM                        1
#define CLOSECOMM                       2
#define READCOMM                        3
#define WRITECOMM                       4
#define FLUSHCOMM                       6
#define TRANSMITCOMMCHAR                7
#define SETCOMMSTATE                    8
#define GETCOMMSTATE                    9
#define GETCOMMERROR                    10
#define SETCOMMBREAK                    11
#define CLEARCOMMBREAK                  12
#define GETCOMMREADY                     17