int *ptr;

int ptr*;

char ptr*;

float *ptr;

The 'NULL' pointer is used to store a memory address for future use.

The purpose of the 'NULL' pointer is to indicate that a pointer does not point to any valid memory location.

The 'NULL' pointer serves as a placeholder for uninitialized variables.

The 'NULL' pointer indicates a pointer that points to the last allocated memory.

A pointer is a type of array, while an array is a pointer to a single element.

A pointer holds a memory address, while an array is a fixed-size collection of elements.

A pointer stores data directly, while an array only holds addresses of data.

An array can change size dynamically, while a pointer is always fixed in size.

Dynamic memory allocation in C is the process of defining fixed memory sizes at compile time.

Dynamic memory allocation in C is the technique of using pointers to access static memory.

Dynamic memory allocation in C is the process of allocating memory during program execution using functions like malloc and free.

Dynamic memory allocation in C is the use of global variables to manage memory.

Define a struct for the node, initialize head to NULL, and implement functions for list operations.

Implement a queue structure instead of a linked list.

Create a class for the node and use pointers for connections.

Use an array to store elements and manage size manually.

A structure in C is declared using the 'struct' keyword, followed by the structure name and its properties in angle brackets.

A structure in C is defined using the 'struct' keyword, followed by the structure name and its members enclosed in braces.

A structure in C is created using the 'class' keyword, followed by the class name and its attributes in parentheses.

A structure in C is defined with the 'define' keyword, followed by the structure name and its fields in brackets.

Use the asterisk operator (*) to dereference the pointer.

Access members directly without using any operator.

Use the arrow operator (->) to access members of a structure via a pointer.

Use the dot operator (.) to access members of a structure via a pointer.

A stack is LIFO and used for static allocation; a heap is for dynamic allocation and allows arbitrary order.

A stack is used for both static and dynamic allocation; a heap is only for temporary storage and follows LIFO.

A stack is FIFO and used for dynamic allocation; a heap is for static allocation and follows a strict order.

A stack is for dynamic allocation and allows random access; a heap is LIFO and used for static allocation.

A function pointer is a variable that holds the address of a function, enabling dynamic function calls and callbacks.

A function pointer is a type of variable that stores integer values for calculations.

A function pointer is a special kind of array that holds multiple function definitions.

A function pointer is a reference to a variable that can only store string data.