C Programming
Comment on the following?const int *ptr;

Both of the above
We can change the pointer as well as the value pointed by it.
We cannot change the value pointed by ptr.
We cannot change the pointer ptr itself.

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C Programming
String concatenation means -

Combining two strings.
Extracting a substring out of a string.
Merging two strings.
Partitioning the string into two strings.
Comparing the two strings to define the larger one.

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