Redirect standard output to a file?

问题

I want to write a function which would redirect the standard output to a file where the name of the file is "name".log where "name" is the argument to the function

void redirect(char *name) {

I don't know where to begin.

回答1:

You can use freopen()

// code copied from the link
#include <stdio.h>
...
FILE *fp;
...
fp = freopen ("/tmp/logfile", "a+", stdout);
...

来源：https://stackoverflow.com/questions/23135577/redirect-standard-output-to-a-file