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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

2
Compiler Error
20
Linker Error

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C Programming
#includevoid main(){ int *ptr, a=10; ptr = &a; *ptr += 1; printf("%d, %d", *ptr, a);}

11, 11
10, 10
10, 11
11, 10

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C Programming
Find the output of the following program.void main(){ char *msg = "hi"; printf(msg);}

hi
Garbage Value
h
hi followed by garbage value
Error

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C Programming
What will be the output of the program ?#include#includevoid main(){ char str[] = "Exam\0Veda"; printf("%s", str);}

None of these
Veda
Exam
Exam Veda
Exam\0Veda

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C Programming
The default parameter passing mechanism is

None of these.
call by value
call by value result
call by reference

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C Programming
What is the correct value to return to the operating system upon the successful completion of a program?

2
-1
1
Program do no return a value.

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