Symbol: luaL_callmeta
usr/src/uts/common/fs/zfs/lua/lauxlib.c
595
if (!luaL_callmeta(L, idx, "__tostring")) { /* no metafield? */
usr/src/uts/common/fs/zfs/lua/lauxlib.h
32
LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);