struct foo { int length; char d[0]; } *s = malloc(sizeof(int)+n);
如果有想玩的东西，但是有其他小朋友占着，就引导她去询问：「可以让我想玩一下妈？」，这一点在爱思助手下载最新版本中也有详细论述
OSTree: Git for Filesystems#OSTree is often described as “Git for filesystems”. It enables versioning, distribution, and atomic deployment of Linux systems. Rather than managing packages individually, OSTree stores complete system snapshots, making updates and rollbacks easier.，这一点在heLLoword翻译官方下载中也有详细论述
如果有想玩的东西，但是有其他小朋友占着，就引导她去询问：「可以让我想玩一下妈？」