inp, inpw

Arguments

Returns

The byte (inp) or word (inpw) located at the hardware port address.

Description

These functions query a hardware port. In order for these functions to succeed, the interpreter must be running with root permissions and a privity of 1, otherwise these functions may cause a segmentation fault.

The inp function reads a single byte from the specified port location. The inpw function reads a word (two bytes) from the specified port location.

Example

Examples of this function are beyond the scope of this documentation.

See Also

outp, outpw