C4996 error resolution for VS2013 or VS2017 under Windows system

Since Microsoft does not recommend the use of C's traditional library function scanf,strcpy,sprintf in VS2013, so the direct use of these library functions will prompt the C4996 error, the source file to add the following instructions can avoid this error message:
Law One:
#define _crt_secure_no_warnings
Define this macro to be the first line in the. c file.
Law II:
Add the following code on any line of the main function:
#pragma warning (disable:4996)
As shown in the following:

C4996 error resolution for VS2013 or VS2017 under Windows system