What is the correct syntax for declaring a pointer variable?Marks : 1Negative Marks : 0Answer hereint *ptr;pointer int *ptr;*int ptr;None of the mentioned options

What is the correct syntax for declaring a pointer variable?

What is the purpose of declaring a pointer variable in C?Marks : 1Negative Marks : 0Answer hereTo create a new variable.To store the address of another variable.To perform mathematical operations.All of the mentioned options

Which of these is a correct way to initialize a pointer in C?Marks : 1Negative Marks : 0Answer hereint ptr = 0int *ptr = 0int ptr = NULLint *ptr = NULL

In C, what is the result of declaring a pointer as int *ptr; without initialization?Marks : 1Negative Marks : 0Answer hereThe value of the variableptr points to a specific known memory locationptr contains a garbage value as its addressptr points to the memory location 0

What is the correct syntax to declare a pointer in C++?int &ptr;int ptr*;int *ptr;int ptr&;