lo pase a arduino.h y me saltaron varios errores como los soluciono?

Arduino:1.6.5 (Windows XP), Placa:"Arduino/Genuino Uno"
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp: In member function 'void DS3231::getTime(byte&, byte&, byte&, byte&, byte&, byte&, byte&)':
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:28:7: error: 'class TwoWire' has no member named 'send'
Wire.send(0x00);
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:33:25: error: 'class TwoWire' has no member named 'receive'
second = bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:34:25: error: 'class TwoWire' has no member named 'receive'
minute = bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:35:20: error: 'class TwoWire' has no member named 'receive'
tempBuffer = Wire.receive();
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:43:22: error: 'class TwoWire' has no member named 'receive'
DoW = bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:44:23: error: 'class TwoWire' has no member named 'receive'
date = bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:45:24: error: 'class TwoWire' has no member named 'receive'
month = bcdToDec(Wire.receive() & 0b01111111);
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:46:23: error: 'class TwoWire' has no member named 'receive'
year = bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp: In member function 'byte DS3231::getSecond()':
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:51:7: error: 'class TwoWire' has no member named 'send'
Wire.send(0x00);
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:55:23: error: 'class TwoWire' has no member named 'receive'
return bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp: In member function 'byte DS3231::getMinute()':
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:60:7: error: 'class TwoWire' has no member named 'send'
Wire.send(0x01);
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:64:23: error: 'class TwoWire' has no member named 'receive'
return bcdToDec(Wire.receive());
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp: In member function 'byte DS3231::getHour(bool&, bool&)':
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:71:7: error: 'class TwoWire' has no member named 'send'
Wire.send(0x02);
^
E:\Documents and Settings\Javier Figueroa13\Mis documentos\Arduino\libraries\DS3231\DS3231.cpp:75:21: error: 'class TwoWire' has no member named 'receive'
temp_buffer = Wire.receive();
^

So, why are you trying to call methods that don't exist? Look at the documentation!