C Programming
Comment on the following pointer declaration?int *ptr, p;

ptr and p, both are pointers to integer.
ptr is a pointer to integer, p is not.
ptr and p both are not pointers to integer.
ptr is pointer to integer, p may or may not be.

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C Programming
Use of functions

Enhances the logical clarity of the program.
Helps to avoid repeated programming across programs.
Makes the debugging task easier.
All of these
Helps to avoid repeating a set of statements many times.

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