close
CRT(C執行時期函式庫)在編譯前須先設定preprocessor, 加入_CRT_SECURE_NO_WARNINGS
CRT安全版: 增加參數驗證, 緩衝區大小檢查, 格式化參數驗證功能
寫入fprintf_s讀取fscanf_s
1: #include "stdafx.h"
2: #include <cstdio>
3: #include <iostream>
4: 5: int _tmain(int argc, _TCHAR* argv[])
6: {7: // 寫入檔案
8: char msg[] = "我要寫入3";
9: FILE *fp;10: printf_s("寫入檔案:\n%s\r\n", msg);
11: fopen_s(&fp, "test.txt", "w");
12: fprintf_s(fp, "%s\n", msg);
13: fclose(fp); 14: 15: // 讀取檔案
16: fopen_s(&fp, "test.txt","r");
17: char line[256];
18: fscanf_s(fp, "%s", line, 256);
19: printf_s("讀取檔案: \n%s\r\n", line);
20: fclose(fp);21: system("pause");
22: return 0;
23: } 24: 
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