PUBLIC MARKS from solrac with tags c & cpp

The Lua programming language is a small scripting language specifically designed to be embedded in other programs. Lua's C API allows exceptionally clean and simple code both to call Lua from C, and to call C from Lua. This allows developers who want a convenient runtime scripting language to easily implement the basic API elements needed by the scripting language, then use Lua code from their applications. This article introduces the Lua language as a possible tool for simplifying common development tasks, and discusses some of the reasons to embed a scripting language in the first place.