Lua API (push function c->stack)

1: void lua_pushnil(lua_State* L)

2: void lua_poushnumber(lua_State* L,  lua_Number n)

3: void lua_pushinteger(lua_State* L, lua_Integer n)

4: void lua_pushlstring(lua_State* L, const char* s, int len)

5: void lua_pushstring(lua_State* L, const char* s)

6: const char* lua_pushvfstring(lua_State* L, const char* fmt, va_list argp)

7: const char* lua_pushfstring(lua_State* L, const char* fmt, ...)

8: void lua_pushcclosure(lua_State* L, lua_CFunction fn, int n)

9: void lua_pushboolean(lua_State* L, int b)

10: void lua_pushlightuserdata(lua_State* L, void* p)