reccom

  int reccom(cid)    
  int cid;    

The reccom function reads a byte from a communications device. USER calls this function whenever an application calls the ReadComm function (USER.204).

Parameters

cid

Identifies the communications device.

Return Value

The return value is the byte read. Otherwise, the return value is -2 if no data is available, and -1 if there is an error.

Comments

The export ordinal for this function is 4.

See Also

sndcom