is there any other library the works like bios.h in Visual studio 2008?

is there any other library the works like bios.h in Visual studio 2008 this header is present in TC a very older version but i need some functionality of it in visual studio 2008 can some 开发者_StackOverflow中文版guide be about this

i need .net independent libs.

thanx in advance

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What does bios.h do ?
You can't access the bios routines from windows>98

EDIT: Using the serial port in windows from C is similar to using any other file (see http://msdn.microsoft.com/en-us/library/ms810467.aspx) if you need detailed low level control of individual CTRL lines it's a bit trickier but still doable.

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Configuring a serial port and transmitting data over it is built into the .NET framework. Check out the System.IO.Ports.SerialPort class documentation, there are some examples to get you started.

http://msdn.microsoft.com/en-us/library/system.io.ports.serialport.aspx