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C Programming

C Programming
Find the output of the following program.void main(){ printf("%d, %d", sizeof(int *), sizeof(int **));}

0, 2
4, 4
2, 4
2, 2
2, 0

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C Programming
Determine output:#include void main(){ char *p = NULL; char *q = 0; if(p) printf(" p "); else printf("nullp"); if(q) printf("q"); else printf(" nullq");}

p q
Depends on the compiler
nullp nullq
x nullq where x can be p or nullp depending on the value of NULL

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C Programming
What will be the output of this program on an implementation where int occupies 2 bytes?#include void main(){ int i = 3; int j; j = sizeof(++i + ++i); printf("i=%d j=%d", i, j);}

the behavior is undefined
i=3 j=2
i=4 j=2
i=5 j=2

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

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

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C Programming
Determine Output:void main(){ int i=0, j=0; if(i && j++) printf("%d..%d", i++, j); printf("%d..%d", i, j);}

0..1
0..0
1..0
1..1

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C Programming
What will be the output of the following program?#include#define prod(a,b) a*bvoid main(){ int x=3,y=4; printf("%d", prod(x+2,y-1));}

None of these
11
10
15
12

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