Выдает ошибка was not declared in this scope

#include

SoftwareSerialWithHalfDuplex bt(9, 10); // RX, TX
int i;
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(9600);
// set the data rate for the SoftwareSerial port
bt.begin(9600);
}

void loop() // run over and over
{
i=bt.read();
if(i == -1 || i == 98 || i == 48 || i == 61 || i == 35)
{
delay(1);
}
else
{
print(i);
return(0);
}
int print(int i)
{
Serial.println(i);
}
выдает ошибку 'print' was not declared in this scope