diff --git a/src/io.rs b/src/io.rs
new file mode 100644
index 0000000..4c95642
--- /dev/null
+++ b/src/io.rs
@@ -0,0 +1,3 @@
+pub fn run() -> i32 {
+    todo!();
+}
diff --git a/src/main.rs b/src/main.rs
index 94ef145..364adc2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,21 +1,27 @@
-use std::io;
-use std::io::Write;
+use std::io as stdio;
+use stdio::{
+    stdin,
+    stdout,
+    Write,
+};
+use std::process::exit;
 
 mod parser;
+mod io;
 
 fn main() {
     let mut buffer = String::new();
-    let mut bytes_read_result: io::Result<usize>;
+    let mut bytes_read_result: stdio::Result<usize>;
     let mut bytes_read: usize = 1;
 
     while bytes_read != 0 {
         buffer.clear();
 
         print!("$ ");
-        if io::stdout().flush().is_err() {
+        if stdout().flush().is_err() {
             eprintln!("error: can't fully flush stdout or reached EOF");
         }
-        bytes_read_result = io::stdin().read_line(&mut buffer);
+        bytes_read_result = stdin().read_line(&mut buffer);
 
         if bytes_read_result.is_err() {
             eprintln!("error: invalid UTF-8 characters were read");