COMPUTER SCIENCE

• * (Dereference Operator)


  Accesses the value stored at the memory address pointed to by a pointer.
• & (Address-of Operator)


  Returns the memory address of a variable.
• Dereferencing a pointer


  `*ptr`
• Initializing a pointer


  `int *ptr = &x;`
• Pointer declaration


  `int *ptr;`
• Pointer


  A variable that stores the memory address of another variable.
• Accessing structure members


  Using the dot (.) operator
• Struct declaration


  `struct student { int roll; char name[20]; };`
• Structure


  A collection of variables of different data types stored in contiguous memory locations.