我对此的原因感到困惑：recorders/r5000device.cpp：在函数“unsigned int r5000_device_tspacket_handler（unsigned char*，int，void*）”中：recorders/r5000device.cpp：34：14：警告：没有

我对于这个问题的原因感到很困惑：

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)
  ^