luaL_where[-0, +1, m] void luaL_where (lua_State *L, int lvl); Pushes onto the stack a string

lua_setfield[-1, +0, e] void lua_setfield (lua_State *L, int index, const char *k); Does the equivalent

package.preload A table to store loaders for specific modules (see require).

math.asin (x) Returns the arc sine of x (in radians).

lua_insert[-1, +1, –] void lua_insert (lua_State *L, int index); Moves the top element into the given valid

lua_createtable[-0, +1, m] void lua_createtable (lua_State *L, int narr, int nrec); Creates a

3.4.7 – The Length Operator The length operator is denoted by the unary prefix operator #. The length of a string is its number of bytes (that is, the usual meaning of

lua_isboolean[-0, +0, –] int lua_isboolean (lua_State *L, int index); Returns 1 if the value at the given

os.rename (oldname, newname) Renames the file or directory named oldname to newname. If this function fails, it returns nil, plus a string describing

lua_isstring[-0, +0, –] int lua_isstring (lua_State *L, int index); Returns 1 if the value at the given