Function bonjour_sys::TXTRecordGetItemAtIndex

pub unsafe extern "C" fn TXTRecordGetItemAtIndex(
    txtLen: u16, 
    txtRecord: *const c_void, 
    index: u16, 
    keyBufLen: u16, 
    key: *mut c_char, 
    valueLen: *mut u8, 
    value: *mut *const c_void
) -> DNSServiceErrorType