Question

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Is it possible to modify a string of char in C?

char *s = "anusha";

Is this like a constant pointer? When i tried to change the character in location 3 by writing s[3]='k', it gave me a segmentation fault. So i am assuming it is like pointing to a constant array or s is a constant pointer? Which among the two? Please clarify.

Answer 1

That is correct, you are not allowed to modify string literals.

However, it’s legal to do this:

char s[] = "anusha";
s[3] = 'k'

The difference here being that it is stored as a local array that can be modified.