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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).
 
Parameter  Description
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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
 
 
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