Pointer to two dimensional array
Under
December 25, 2013
If a pointer holds reference to an array, then it is called pointer to an array or array pointer. How to declare pointer to an array? int (*...
Showing posts with label pointers. Show all posts
Showing posts with label pointers. Show all posts
Wednesday, December 25, 2013
Array of pointer to integer
Under
December 25, 2013
Array of integer pointers in nothing but an array whose elements are pointer to integer. How to declare array of pointer to integer? Below i...
Pointer to integer
Under
December 25, 2013
How to declare integer pointer? Below is the declaration for pointer to integer. int *ptr; Here, ptr is a pointer of type int. What is integ...
Array of pointer to structure
Under
December 25, 2013
Array of pointer to structure is nothing but an array whose elements are pointers to structure How to declare array of pointer to structure?...
Array of function pointers
Under
December 25, 2013
Array of function pointer is nothing but an array whose elements are function pointers. How to declare array of function pointer? Below is a...
Array of character pointers
Under
December 25, 2013
Consider an array of n elements. If each element in the array is a pointer to character, then the array is called as array of character poi...
Tuesday, December 24, 2013
Pointer to character
Under
December 24, 2013
What is a string? A string is a sequence of characters terminated with null character '\0'. Consider the following, "Hello W...
Sunday, December 22, 2013
Wild Pointers
Under
December 22, 2013
Key points on wild pointers: If any of the pointer is uninitialized, then that pointer is called wild pointer. Wild pointers won't refer...
Far and huge pointers
Under
December 22, 2013
Far pointer: Size of the far pointer is 4 bytes and it can point to 1MB of memory. 4 bytes = 32 bits Far pointer has a 16 bit segment addres...
Saturday, December 21, 2013
Near Pointer
Under
December 21, 2013
Compilers like Turbo C supports the following pointers. 1. near pointer 2. far pointer 3. huge pointer Let us see more details on near point...
Pointer Expressions
Under
December 21, 2013
Pointers can be used in expressions. Basically, pointers are preceded by indirection operator(*). Consider the following example int a = 1...
Tuesday, November 5, 2013
Dangling pointers
Under
November 05, 2013
What is dangling pointer? If a pointer refers to an invalid memory location, then it is called dangling pointer. Consider any pointer that p...
