/in/foo.cc: In member function 'void Vector3::init(char*, int)':
/in/foo.cc:13:25: error: 'strlen' was not declared in this scope
   for( i=0;i<strlen(temp);i++)
                         ^
/in/foo.cc: In member function 'void Vector3::operator=(Vector3&)':
/in/foo.cc:29:25: error: 'strlen' was not declared in this scope
   for( i=0;i<strlen(v2.x);i++)
                         ^