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C Programming

C Programming
Which is the only function all C programs must contain?

printf()
main()
start()
getch()
system()

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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");}

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

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C Programming
What is right way to Initialize array?

int n(6) = { 2, 4, 12, 5, 45, 5 };
int n{6} = { 2, 4, 12 };
int num[6] = { 2, 4, 12, 5, 45, 5 };
int n{} = { 2, 4, 12, 5, 45, 5 };

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C Programming
What will be the output of the given program?#includevoid main(){int a=11,b=5;if(a=5) b++;printf("%d %d", ++a, b++);}

12 7
11 6
6 7
5 6
6 6

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C Programming
What will be the output of the following program?#includevoid main(){ int i = 10; void *p = &i; printf("%d\n", (int)*p);}

Segmentation fault/runtime crash
Undefined behavior
10
Compiler time error

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C Programming
Determine Output:void main(){ int i = abc(10); printf("%d", --i);}int abc(int i){ return(i++);}

9
11
10
None of These

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