lua_newuserdata, lua_pushlightuserdata, lua_isuserdata and lua_islightuserdata, lua_touserdata,
1 lua_newuserdata
void *lua_newuserdata (lua_State *L, size_t size);
ÇØ´çÇÏ´Â Å©±âÀÇ ¸Þ¸ð¸®¸¦ °¡Áø full userdata¸¦ »ý¼ºÇؼ ½ºÅÃÀÇ ¸Ç À§¿¡´Ù Ǫ½¬ÇÑ ´ÙÀ½, ±× ¸Þ¸ð¸® ºí·ÏÀÇ ÁÖ¼Ò¸¦ ¹ÝȯÇÑ´Ù.
2 lua_pushlightuserdata
void lua_pushlightuserdata (lua_State *L, void *p);
½ºÅÿ¡´Ù light userdata, Áï Æ÷ÀÎÅ͸¦ Ǫ½¬ÇÑ´Ù.
3 lua_isuserdata and lua_islightuserdata
int lua_isuserdata (lua_State *L, int index);
int lua_islightuserdata (lua_State *L, int index);
ÇØ´çÇÏ´Â À妽ºÀÇ ¾ÆÀÌÅÛÀÌ full ¶Ç´Â light userdataÀÎÁöÀÇ ¿©ºÎ¸¦ ¹ÝȯÇÑ´Ù.
4 lua_touserdata
void *lua_touserdata (lua_State *L, int index);
ÇØ´çÇÏ´Â À妽ºÀÇ ¾ÆÀÌÅÛÀÌ full userdataÀÎ °æ¿ì ¸Þ¸ð¸® ºí·°ÀÇ ÁÖ¼Ò¸¦ ¹ÝȯÇϰí, light userdataÀÎ °æ¿ì, Æ÷ÀÎÅÍ °ªÀ» ¹ÝȯÇÑ´Ù. À妽º°¡ À߸øµÇ¾ú°Å³ª, ÇØ´ç À妽ºÀÇ ¾ÆÀÌÅÛÀÌ userdata°¡ ¾Æ´Ñ °æ¿ì¿¡´Â NULLÀ» ¹ÝȯÇÑ´Ù.
SeriousMoin v1 (koMoinMoin 1.0a4 Modified)