Function Perl_do_open

pub unsafe extern "C" fn Perl_do_open(
    my_perl: *mut PerlInterpreter,
    gv: *mut GV,
    name: *const c_char,
    len: I32,
    as_raw: c_int,
    rawmode: c_int,
    rawperm: c_int,
    supplied_fp: *mut PerlIO,
) -> bool