Function chdir 

pub fn chdir() -> Result<()>

Change dir to / see chdir(2)

Upon successful completion, the current working directory is changed to /. Otherwise, an error is returned with the system error code.

Example:

use fork::chdir;
use std::env;

match chdir() {
    Ok(_) => {
       let path = env::current_dir().expect("failed current_dir");
       assert_eq!(Some("/"), path.to_str());
    }
    Err(e) => eprintln!("Failed to change directory: {}", e),
}

Errors

Returns an io::Error if the system call fails. Common errors include:

• Permission denied
• Path does not exist