x.v

import os
fn C.scanf()
fn get_cursor_position() (int,int) {
   mut x := 0  mut y := 0
   C.printf('\033[6n')
   C.scanf('\033[%d;%dR', &x, &y)
   return x,y
}
fn main(){
  print('hello world!')
  oldmode := os.exec('stty -g') or { panic(err) }
  os.exec('stty raw -echo min 1') or { panic(err) }  
  x,y := get_cursor_position()
  os.system('stty $oldmode.output')
  eprintln('\nx: $x | y: $y | oldmode: $oldmode.output')
}

https://github.com/vlang/v/blob/master/vlib/readline/readline_linux.v#L44