Open for reading and writing; place the file pointer at the beginning of the file.

打开阅读和写作，在文件的开始位置文件指针。

youdao

Open for writing only; place the file pointer at the end of the file.

打开只写；放置在文件的末尾文件指针。

youdao

Open for reading and writing; place the file pointer at the end of the file.

打开阅读和写作，在文件结尾处的文件指针。

youdao

Open for reading and writing; place the file pointer at the end of the file.

打开阅读和写作，在文件结尾处的文件指针。

youdao