def display_for(env: Environment, program: str) -> None:
    """
    Open the system man page for the given command (http/https/httpie).

    """
    subprocess.run(
        [MAN_COMMAND, MAN_PAGE_SECTION, program],
        stdout=env.stdout,
        stderr=env.stderr
    )

    Open the system man page for the given command (http/https/httpie).

    
httpie/output/ui/man_pages.py