Function libperl_sys::Perl_unpack_str

pub unsafe extern "C" fn Perl_unpack_str(
    my_perl: *mut PerlInterpreter, 
    pat: *const c_char, 
    patend: *const c_char, 
    s: *const c_char, 
    strbeg: *const c_char, 
    strend: *const c_char, 
    new_s: *mut *mut c_char, 
    ocnt: I32, 
    flags: U32
) -> I32