The function returns an error or success code; if it's an error code, the code itself can be used to figure out what went wrong.

函数返回错误代码或成功代码；如果是错误代码，则代码本身可用于指出何处出错。

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you could create a function such as the following, which also handles the return code and, if needed, increases the error counter

而是创建一个如下所示的函数，此函数也可以处理返回码，如果有必要，还可以增加错误计数器

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The luaL_loadbuffer() function compiles a script into Lua code; if there is a syntax error, this is where the failure is observed.

luaL_loadbuffer() 函数将一个脚本编译成 Lua 代码。 如果有语法错误，从这里可以观察到失败。

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