How to utilize ioctl

Python, Perl and Golang Python
1

Hello,

What is the use of ioctl? how to implement it using perl?

2

This might help

Also the perl documentation

http://perldoc.perl.org/functions/ioctl.html

For a use see

http://perldoc.perl.org/perlfaq5.html#How-can-I-tell-whether-there’s-a-character-waiting-on-a-filehandle%3F

Never used it myself - low level io stuff.

3

Thanks for your help…