Function utf8esc

xrepo/packages/l/lua/port/lua/src/llex.c:361–366

static void utf8esc (LexState *ls) {
  char buff[UTF8BUFFSZ];
  int n = luaO_utf8esc(buff, readutf8esc(ls));
  for (; n > 0; n--)  /* add 'buff' to string */
    save(ls, buff[UTF8BUFFSZ - n]);
}


static int readdecesc (LexState *ls) {