_inp, _inpw, _inpd
Visual Studio .NET 2003
Input a byte (_inp), a word (_inpw), or a double word (_inpd) from a port.
int _inp( unsigned short port ); unsigned short _inpw( unsigned short port ); unsigned long _inpd( unsigned short port );
Parameter
- port
- Port number.
Return Value
The functions return the byte, word, or double word read from port. There is no error return.
Remarks
The _inp, _inpw, and _inpd functions read a byte, a word, and a double word, respectively, from the specified input port. The input value can be any unsigned short integer in the range 0 – 65,535.
Requirements
| Routine | Required header | Compatibility |
|---|---|---|
| _inp | <conio.h> | Win 95 |
| _inpw | <conio.h> | Win 95 |
| _inpd | <conio.h> | Win 95 |
For additional compatibility information, see Compatibility in the Introduction.
Libraries
All versions of the C run-time libraries.
See Also
Console and Port I/O Routines | _outp | Run-Time Routines and .NET Framework Equivalents
