Function to copy string - strcpy implementation | GeeksforGeeks

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[usama]

please also make videos in c#, java and Python

[atishayjain]

U wrote s2[i]='\O' but if we put it in the for loop then it will put null character at the s2[0] position

[abhagupta]

what is the use of s2[i] = '\0'; this line when s1=0 then loop is not working,

[muadrico]

Why would anyone implement such a function?
Either use std::string or at least the c library functions that do some kind of bounds checking. Stop teaching unsafe code!