title: Warning: No Previous Declaration - C++
body: <p>I am stumped about the cause of this:</p>
  
  <pre><code>recorders/r5000device.cpp: In function ‘unsigned int r5000_device_tspacket_handler(unsigned char*, int, void*)’:
  recorders/r5000device.cpp:34:14: warning: no previous declaration for ‘unsigned int r5000_device_tspacket_handler(unsigned char*, int, void*)’ [-Wmissing-declarations]
   unsigned int r5000_device_tspacket_handler(unsigned char *tspacket, int len, void *callback_data)
            ^
  recorders/r5000device.cpp: In function ‘void r5000_msg(char*)’:
  recorders/r5000device.cpp:44:6: warning: no previous declaration for ‘void r5000_msg(char*)’ [-Wmissing-declarations]
   void r5000_msg(char * msg)
    ^
  </code></pre>