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

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

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C Programming
Use of functions

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

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