Q. Determine Output:

Code: 
void main()
{
      char *p;
      printf("%d %d", sizeof(*p), sizeof(p));
}
  • (A) 1 1
  • (B) 1 2
  • (C) 2 1
  • (D) 2 2
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✅ Correct Answer: (B) 1 2
Explanation: The sizeof() operator gives the number of bytes taken by its operand. P is a character pointer, which needs one byte for storing its value (a character). Hence sizeof(*p) gives a value of 1. Since it needs two bytes to store the address of the character pointer sizeof(p) gives 2.

Published by Prashant ⭐ 1.36K Points at 06-Oct-2022 07:18 pm in C Programming

Explanation by: Prashant
The sizeof() operator gives the number of bytes taken by its operand. P is a character pointer, which needs one byte for storing its value (a character). Hence sizeof(*p) gives a value of 1. Since it needs two bytes to store the address of the character pointer sizeof(p) gives 2.

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