wait函数返回值总结，孤儿进程与僵尸进程[总结]

http://blog.csdn.net/astrotycoon/article/details/41172389

wait函数返回值总结

 

http://www.cnblogs.com/Anker/p/3271773.html

孤儿进程与僵尸进程[总结]