error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead.

error C4996: ‘fopen’: This function or variable may be unsafe. Consider using fopen_s instead.

VS2019报unsafe 解决方法:

项目–属性;
在预处理器定义后添加 _CRT_SECURE_NO_WARNINGS,注意跟前一项用英文 ; 隔开。即可忽略unsafe报错。
error C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead.