Function libffi_sys::ffi_prep_java_raw_closure

pub unsafe extern fn ffi_prep_java_raw_closure(arg1: *mut ffi_java_raw_closure,
                                               cif: *mut ffi_cif,
                                               fun: Option<unsafe extern fn(_: *mut ffi_cif, _: *mut c_void, _: *mut ffi_java_raw, _: *mut c_void)>,
                                               user_data: *mut c_void)
                                               -> ffi_status