os.date ([format [, time]]) Returns a string or a table containing date and time, formatted according to the given string format. If the time

lua_Integer typedef ... lua_Integer; The type of integers in Lua. By default this type is long long, (usually

lua_pushnil[-0, +1, –] void lua_pushnil (lua_State *L); Pushes a nil value onto the stack.

3.4.10 – Function Calls A function call in Lua has the following syntax: functioncall ::= prefixexp args In a function call, first prefixexp

lua_pushliteral[-0, +1, m] const char *lua_pushliteral (lua_State *L, const char *s); This macro

lua_toboolean[-0, +0, –] int lua_toboolean (lua_State *L, int index); Converts the Lua value at the given

load (chunk [, chunkname [, mode [, env]]]) Loads a chunk. If chunk is a string, the chunk is this string. If chunk is a function, load

string.packsize (fmt) Returns the size of a string resulting from string

os.difftime (t2, t1) Returns the difference, in seconds, from time t1 to time t2 (where the times are values returned by

lua_concat[-n, +1, e] void lua_concat (lua_State *L, int n); Concatenates the n values