in tools > board > arduino uno is selected
after the last change This is the result.
C:\Users\ROGERANT\Desktop\arduino-1.0.1\libraries\SoftwareSerial\SoftwareSerial.cpp: In member function 'virtual size_t SoftwareSerial::write(uint8_t)':
C:\Users\ROGERANT\Desktop\arduino-1.0.1\libraries\SoftwareSerial\SoftwareSerial.cpp:140: error: 'b' was not declared in this scope