摘要:
Flag Function ios::in Opens an input file. Use this as an open mode for an ofstreamto prevent truncating an existing file. ios::out Opens an output file. When used for an ofstreamw... 阅读全文
摘要:
Each type of iostream has a concept of where its “next” character will come from (if it’s an istream) or go (if it’s an ostream). In some situations you may want to move this stream position. You can ... 阅读全文