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diff --git a/v_windows/v/old/vlib/readline/readline.v b/v_windows/v/old/vlib/readline/readline.v
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+++ b/v_windows/v/old/vlib/readline/readline.v
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+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+//
+// Serves as a more advanced input method
+// based on the work of https://github.com/AmokHuginnsson/replxx
+//
+module readline
+
+// Termios stores the terminal options on Linux.
+struct C.termios {}
+
+struct Termios {
+mut:
+	c_iflag int
+	c_oflag int
+	c_cflag int
+	c_lflag int
+	c_cc    [12]int // NCCS == 12. Can't use the defined value here
+}
+
+// Winsize stores the screen information on Linux.
+struct Winsize {
+	ws_row    u16
+	ws_col    u16
+	ws_xpixel u16
+	ws_ypixel u16
+}
+
+// Readline is the key struct for reading and holding user input via a terminal.
+// Example: import readline { Readline }
+pub struct Readline {
+mut:
+	is_raw            bool
+	orig_termios      Termios // Linux
+	current           []rune  // Line being edited
+	cursor            int     // Cursor position
+	overwrite         bool
+	cursor_row_offset int
+	prompt            string
+	prompt_offset     int
+	previous_lines    [][]rune
+	search_index      int
+	is_tty            bool
+}