return用法
这条语句return exit_success;编译出现：
warning C4700: local variable 'exit_success' used without having been initialized
求教高手
一、不及物动词 vi.
1、回,返回,归[(+to/from)]
She did not return home till eleven o'clock. 她十一点钟才回家。
2、重新发生;回复,恢复[(+to)]
The situation has returned to normal in the capital. 首都的局势已恢复正常。
3、归还,退回[(+to)]
4、回答;反驳
二、及物动词 vt.
1、还,归还;送回[(+to)][O1]
Have you returned the novel to the library?那本小说你还给图书馆了吗?
2、回答,回报;报答
We decided to return blow for blow.我们决定以牙还牙。
3、选举,选出[(+to)]
4、【律】(陪审团)正式宣布(裁决)
5、获得,产生(利润等)
The performance returned $2,000 over expenses.这场演出除去开支赢余2000元。
6、报告;申报
7、反射(光、声等)
8、回答说;反驳道
三、名词 n.
1、回,归,返回[C][U][(+from/to)
On his return he reported his findings to the committee.他一回来就向委员会报告调查结果。
2、还,归还[U]
3、回答;报答[U][C]
He expected no return when he decided to give us full support.他决定全力支持我们时并无图报之意。
4、回复;复发;恢复;再现[U][C]
She had a return of the heart attacks.她心脏病又发作了。
5、收益,利润;利息[P1]
6、报告书;申报;报表[C]
7、【英】来回票[C]
8、退货[P]
四、形容词 adj
1、返回的,回程的;来回的
2、报答的;回报的
The professor paid a return visit to his American colleague.教授回访了美国同事。
3、返回的,折回的
参考资料来源：百度百科-return