[LCP]read - serial port programming

[Robert Wuest]

Michael Sweet has an excellent Serial Programming Guide for POSIX 
Operating Systems at

http://www.easysw.com/~mike/serial/

Robert


michael bosu wrote:
> Hi,
> 
> Please to read from the serial port, what does the
> function read return. For instance if the code below
> return 8 for count. Does that mean the number of bytes
> is 8 or what?
> 
> Also if I want to get the actual bytes received how do
> I go about it.
> 
> 
> if ((count = read(fd, &vbuf[vlen], BUFFERSIZE - vlen))
> == -1) {
> 	      
>                perror("read");
> 	      	exit(1);
>      
> 	} 
> 
> Thank you,
> Michael mfbosu at yahoo.com
> 
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