Floating Point Issues - C Programming Questions and Answers

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What will be the output of the program?

 #include
 int main()
 {     
    float *p; 
    printf("%d\n", sizeof(p));       
    return 0;
 }

2 in 16bit compiler, 4 in 32bit compiler

4 in 16bit compiler, 2 in 32bit compiler

4 in 16bit compiler, 4 in 32bit compiler

2 in 16bit compiler, 2 in 32bit compiler

Answer : Option A

Explanation :

sizeof(x) returns the size of x in bytes.
float *p is a pointer to a float.

In 16 bit compiler, the pointer size is always 2 bytes.
In 32 bit compiler, the pointer size is always 4 bytes.

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