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#include<fstream>
#include <iostream>
using namespace std;
int main()
{
ofstream logTest("foo.log");
streambuf *oldbuf = cout.rdbuf(logTest.rdbuf());
cout << "Êä³öµ½±ê×¼Êä³ö£¬µ«Êµ¼ÊÊä³öµ½ÁËfoo.logÎļþÖÐ\n";
logTest << "Êä³öµ½Îļþ£¬ËäÈ»½«coutÖØ¶¨Ïòµ½ÁËlog£¬µ«²»Ó°Ïìlog±¾ÉíµÄʹÓÃ\n";
// »Ö¸´Á÷»º³åÇø
cout.rdbuf(oldbuf);
cout << "Êä³öµ½±ê×¼Êä³ö\n";
getchar();
}
CµÄʵÏÖ
#include <ios>
#include <iostream>
#include <fstream>
//ÈôʹÓðüº¬.hÎļþ·½Ê½Ôò±àÒ뱨´í
using namespace std;
void main()
{
ofstream ofs("e:\\a.txt");
streambuf *osb = cout.rdbuf(ofs.rdbuf());
cout << "to file" << endl;
cout.rdbuf(osb);
cout << "to term" << endl;
}
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#include <stdio.h>
#include <string.h>
void main()
{
FILE old_stdout;
FILE *fp = fopen("e:\\a.txt", "w");
memcpy(&old_stdout, &_iob[1], sizeof(FILE));
memcpy(&_iob[1], fp, sizeof(FILE));
/*call any functions..*/
printf("to file");
/**/
/*°Ñ»º³åˢе½Îļþ*/
fflush(stdout);
memcpy(&_iob[1], &old_st
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char** t;
main()
{
char c[1];
char** t1;
sprintf(c,"%d",t);
printf("t=%s---\n",c);
if(strcmp(c,"0")!=0)
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void Reverse(char s[])
{
for(int i = 0, j = strlen(s) - 1; i < j; ++i, --j) {
char c = s[i];
s[i] = s[j];
s[j] = c;
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