error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. To di
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error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
记得用VS2010时，提示的是warning，现在使用的是VS2012，居然显示的是error，搜索了下。
在编程过程中难免会用到一些过时，或者曾经不安全的函数，如上，这是编译器会出现warning提示用某某新函数，如果不想使用新的函数可以使用一下方法：
1. 使用VS提供的 编译器选择性提供warning功能 link: http://msdn.microsoft.com/en-
us/library/2c8f766e.aspx 例：上面的错误使用 #pragma warning( disable : 4996) 即可消除。
2. 使用提示中的_CRT_SECURE_NO_WARNINGS，以下是使用方法：
a. Project properties->Configuration Properties->C/C++->Preprocessor->Preprocessor
Definitions
b. 点击按钮 (...)
c. 输入：_CRT_SECURE_NO_WARNINGS。 注：使用 "\n" 相隔
3.#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
- error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. To di
- error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead.
- 错误1error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead.
- VS2015：error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead
- warning C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. To
- error C4996: '_itoa': This function or variable may be unsafe. Consider using _itoa_s instead. To di
- 警告 1 warning C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead
- 问题error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. 的解决
- error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To d
- 'scanf': This function or variable may be unsafe. Consider using scanf_s instead.
- 错误1error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead.
- error C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. T
- error C4996: 'sprintf': This function or variable may be unsafe.Consider using sprintf_s instead.
- error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead解决方案
- 问题error C4996: 'asctime': This function or variable may be unsafe. Consider using asctime_s instead
- error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead.
- error C4996: 'sprintf': This function or variable may be unsafe.Consider using sprintf_s instead.
- error C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead.
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- error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. To di
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