EBK DATA STRUCTURES AND ALGORITHMS IN C
EBK DATA STRUCTURES AND ALGORITHMS IN C
4th Edition
ISBN: 9781285415017
Author: DROZDEK
Publisher: YUZU
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Chapter 1, Problem 2E
Program Plan Intro

Pointers:

  • A variable whose value is another variable’s address is termed as pointer.
  • A pointer is to be declared before being used.
  • The declaration syntax for a variable that is a pointer is shown below:

    type *lvarname;

  • Here, “type is a pointer's base type and “lvarname is pointer variable’s name.
  • The asterisk sign is been used for pointer declaration.
  • The asterisk sign is being used for designation of a variable as a pointer.

Explanation of Solution

b.

Identification of errors:

Before copying “s2” to “s1”, memory has to be allocated for accommodating contents of “s1”, as shown below:

...

Explanation of Solution

c.

Identification of errors:

While memory allocation for contents of “s2” is performed, one more character has to be allocated for the end-of-string character. In the given syntax, one more character allocation is needed...

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