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The latest version of this topic can be found at __outbyte.

Microsoft Specific**

Generates the out instruction, which sends 1 byte specified by Data out the I/O port specified by Port.

void __outbyte(   
   unsigned short Port,   
   unsigned char Data   


[in] Port
The port to send the data to.

[in] Data
The byte to be sent out the specified port.

__outbytex86, x64

Header file <intrin.h>

This routine is only available as an intrinsic.

Compiler Intrinsics