Scan

摘要： 测试代码：1 FILE *f = fopen("1.txt", "w");2 printf("%x\n", f);3 fprintf(f, "%s", "0123");4 FILE *f2 = freopen("2.txt", "w", f);5 printf("%x\n", f);6 printf("%x\n", f2);7 fprintf(f, "%s", "0123"); 阅读全文