lua_numbertointeger int lua_numbertointeger (lua_Number n, lua_Integer *p); Converts a Lua float to a Lua integer. This macro assumes

luaL_checkoption[-0, +0, v] int luaL_checkoption (lua_State *L, int arg,

math.huge The float value HUGE_VAL, a value larger than any other numeric value.

math.acos (x) Returns the arc cosine of x (in radians).

luaL_loadbufferx[-0, +1, –] int luaL_loadbufferx (lua_State *L, const char *buff,

lua_setlocal[-(0|1), +0, –] const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n); Sets the

math.ceil (x) Returns the smallest integral value larger than or equal to x.

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

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