C:如何从文件描述符更改为FILE结构，反之亦然? [英] C : how can I change from file descriptor to FILE struct and vice versa?

问题描述

有什么方法可以将 int 文件描述符更改为 FILE 结构指针，或者将 FILE * 更改为文件描述符C?

Is there any way to change an int file descriptor to a FILE struct pointer or/and change FILE* to a file descriptor in C?

推荐答案

函数 fdopen()返回与打开的文件描述符关联的新(FILE *).

The function fdopen() returns a new (FILE *) associated with an open file descriptor.

函数 fileno()返回与打开的FILE *相关的​​文件描述符.

The function fileno() returns the file descriptor associated with an open FILE *.

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