[−][src]Function battery_ffi::battery_get_serial_number
#[no_mangle]pub unsafe extern "C" fn battery_get_serial_number(
ptr: *const Battery
) -> *mut c_char
Returns battery serial number.
Caller is required to free returned value with battery_str_free function after using it.
Returns
This function might return NULL
if serial number data is not available.
Calling battery_str_free is not required in that case,
yet it will not lead to any error.
Panics
This function will panic if passed pointer is NULL