Function luaL_checklstring

Source/Misc/lua/src/lua.c:10370–10374

LUALIB_API const char *luaL_checklstring (lua_State *L, int narg, size_t *len) {
const char *s = lua_tolstring(L, narg, len);
if (!s) tag_error(L, narg, LUA_TSTRING);
return s;
}


LUALIB_API const char *luaL_optlstring (lua_State *L, int narg,