Determine Output void main() char p printf( d d sizeof( p)...

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C Miscellaneous

Determine Output:

void main()
{
      char *p;
      printf("%d %d", sizeof(*p), sizeof(p));
}

A) 1 1 B) 1 2 C) 2 1 D) 2 2

Answer & Solution

Correct Answer: Option B

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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3 Comments

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Bhagvat Giri 6 years ago

size of pointer is 8 bytes for 64 bit OS
size of pointer is 4 bytes for 32 bit OS

Roshan Meshram 6 years ago

when i executed this code, it gave an output :1 4

Katheeja Beevi 8 years ago

When I execute the code, I got output as 1 8

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