coroutine.isyieldable () Returns true when the running coroutine can yield. A running coroutine is yieldable if it is not the main thread and it is not inside a non-yieldable

debug.sethook ([thread,] hook, mask [, count]) Sets the given function as a hook. The string mask and the number count describe when the hook will be

lua_yield[-?, +?, e] int lua_yield (lua_State *L, int nresults); This function is equivalent to

luaL_Reg typedef struct luaL_Reg { const char *name; lua_CFunction func; } luaL_Reg; Type for arrays of functions to be registered

io.lines ([filename, ···]) Opens the given file name in read mode and returns an iterator function that works like file:lines(···) over the opened file. When the