Remember the first example of Lua and C calling each other_PHP tutorial

Remember the first example of Lua and C calling each other

(The following content refers to other people’s examples, hereby declare)
Before writing a program, you need to install the Lua environment
Enter the command in the terminal:

<ol style="margin:0 1px 0 0px;padding-left:40px;" start="1" class="dp-css"><li>sudo apt-get install lua5.1<br /> </li><li>sudo apt-get install lua5.1-0-dev（注意：安装这个东西是为了lua的一些头文件和库文件路径使用) </li></ol>

After installation, enter lua -v to check the lua version:

Suggestion: Enter ln -s lua5.1 lua to make a soft link. When running lua in the future, it will run lua5.1
Part 1: C language calls functions in lua (ubuntu)
1. First write an add.c file

2 .Write another lua function (add.lua) that we will call

3. Finally, use the command: gcc -o add add.c -I /usr/include/lua5.1 -llua5 .1. Generate add executable file, as shown in the figure:

Part 2: lua calls C language function (ubuntu)
1. Write a hello.lua file

2. Write another power_lua.c file

3. Run the command: gcc-Wall -shared -fPIC -o power.so -I/usr/include/lua5.1 power_lua .c
You will see the power.so file

in the current directory 4. Finally, the exciting moment has arrived!
Run: lua hello.lua, the results are as follows:

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