What will happen after compiling and running following code?
main()
{
printf("%p", main);
}
main()
{
printf("%p", main);
}
A. Error
B. Will make an infinite loop.
C. Some address will be printed.
D. None of these.
Answer: Option C
Solution(By Examveda Team)
Function names are just addresses (just like array names are addresses).
main() is also a function. So the address of function main will be printed. %p in printf specifies that the argument is an address. They will be printed as hexadecimal numbers.
In C, what is a function primarily used for?
A. Decision making
B. Variable declaration
C. Code organization and reusability
D. Printing output
What is the purpose of a function prototype in C?
A. To declare a function's return type
B. To declare a function's name
C. To declare a function's parameters and return type
D. To declare a function's name and parameters
In C, how are function arguments passed by default?
A. By value
B. By reference
C. By pointer
D. By address
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