Function dnssd::ffi::TXTRecordGetItemAtIndex

pub unsafe extern "C" fn TXTRecordGetItemAtIndex(
    txtLen: uint16_t, 
    txtRecord: *const c_void, 
    index: uint16_t, 
    keyBufLen: uint16_t, 
    key: *mut c_char, 
    valueLen: *mut uint8_t, 
    value: *const *const c_void
) -> DNSServiceErrorType