Using C + + compiler to compile C library __c++

Problem description

Errors encountered when compiling C-Library files with C + +

/home/fa/chatbot/main.cpp:1321:undefined reference to ' Get_musicinfo_key (char*, char*) '

Cause analysis

Because you need to tell the compiler, C + + in the link to compile C library files, you need to tell the system to use the C compiler solution

When referencing the header file, add extern "C" {* * *} to tell the compiler information, as shown in the following example:

extern "C" {
#include "lib/mic_ring_buffer.h"
#include "lib/migu.h"
}