Answer / anantha sharma

Pointer is a variable that holds address of a memory location

Answer / sumalatha

Pointer is nothing but it addresses the value.

Answer / umakant gupta

Pointer is a kind of Array which store the Address of
Variable

Answer / shekar

a pointer is a variable that stores the address of another
variable. we can a pointer to any variable ..

Answer / vijay r15

pointer denotes the address of a variable

*denotes its a ptr var
Ex
Int a; //ordin var
Int *p; //ptr var going to hold sum address
P=&a; //p holds the address of a

With thanks and regards,
Vijay r15

Answer / beesani

A pointer is a data type whose value refers directly to
another value stored elsewhere in the computer memory using
its address.

Answer / shashikanth

pointer is a variable which can holds the addrese of another object.

Answer / angel

Pointer is a variable.It may contains the memory address of
the another variable and is declared as the pointer.

Answer / ankush tyagi

Pointers are a special type of variables which are used to
store the address of the another variable....

Four type of pointers are defined...
1.Near pointer
2.Fare pointer
3.Huge pointer
4.File pointer

Syntex //-


data type var_name;
data type *pointer_name;
pointer_name=&var_name;



in both the case data type should be same other wise we can
use the type casting;;;....

Answer / rajendiran

pointer is address of the variable and identified the
variable location. if the pointer used to avoid the memory
wastage....

What are the types of type qualifiers in c?

0 Answers  

why wipro wase

0 Answers   Wipro,

What are the languages are portable and platform independent?Why they are like that?

1 Answers   Excel, Satyam,

Explain modulus operator. What are the restrictions of a modulus operator?

0 Answers  

Write an interactive c program that will encode or decode a line of text. To encode a line of text, proceed as follows: Convert each character, including blank spaces, to its ASCII equivalent. Generate a positive random integer. Add this integer to the ASCII equivalent of each character. The same random integer will be used for the entire line of text. Suppose that N1 represents the lowest permissible value in the ASCII code, and N2 represents the highest permissible value. If the number obtained in step 2 above exceeds N2, then subtract the largest possible multiple of N2 from this number, and add the remainder to N1. Hence the encoded number will always fall between N1 and N2, and will therefore always represent some ASCII character. Display the characters that correspond to the encoded ASCII values. The procedure is reversed when decoding a line of text. Be certain, however, that the same random number is used in decoding as was used in encoding.

1 Answers   Amazon, CSJM, HCL, Microsoft, TCS, Wipro,

What is the Difference between Class and Struct?

10 Answers   Motorola,

develop a breakfast order booking system using Functions, Structures and Arrays. The system is to support the operations shown to the user in the following system’s menu: Welcome to Asim's Restaurant Select an operation? 1 Make a breakfast order 2 Modify existing order 3 Cancel existing order 4 Print Bill 5 Exit Type in your selection (1, 2, 3, 4 or 5): The program will include an array of structures. The structure type is called MenuItem, and the array of structures should be declared as menu[50] to store upto 50 breakfast menu items. The MenuItem structure must have the following 4 data fields (i.e. members): Code, description, unitprice, and quantity. Your program must define at least the following functions:  Function LoadData(…) that loads the data of breakfast menu items from an input file menu.txt into the array menu.  Five separate functions to handle the program main menu five tasks shown above. In general, function main() should load the data into the array menu and display the main menu of the above mentioned tasks. Based on the option selected, the corresponding function should be called. Users must make an order before requesting modify, cancel or print order bill (See the given sample run). Here is a more detailed explanation on the above tasks and functions. LoadData(…) Opens the input file menu.txt (you will create it) containing breakfast menu items data (See below) and assign these values to the corresponding array menu structure fields. Assign zero to the quantity field of the loaded menu items. Welcome to Asim's Restaurant Select an operation? 1 Make a breakfast order 2 Modify existing order 3 Cancel existing order 4 Print Bill 5 Exit Type in your selection (1, 2, 3, 4 or 5): MakeOrder(…) This function is called when the user selects option 1 from the main menu. It first displays the breakfast menu items to the user (stored in the array menu) along with all the necessary information (item code, description and unit price). It then requests the user to select an item using the item code (see the sample run). When the user enters an item code number the program should verify the code number and increment the quantity of the selected item in the array menu. Your program should reject invalid item codes and request the user to re-enter the item code or stop the entry. PrintBill(…) This function is called when the user selects option 4 from the main menu. The function displays the breakfast menu items in the breakfast order by printing the values of all MenuItem members of the array menu that have quantity value above zero. Print a nicely formatted bill (See the sample run). CancelOrder(…) This function is called when the user selects option 3 from the main menu. It will cancel the breakfast order by setting the quantity value of all the array menu structures to zero. ModifyOrder(….) This function is called when the user selects option 2 from the main menu. The task of this function is to allow the user to edit an existing breakfast order with two operations: Adding more breakfast items and/or altering the breakfast item that were ordered before (examine the sample program run). Handling Errors and Invalid Input Your program should reply safely to any erroneous situation or input with appropriate message to the user and flow nicely and correctly to the next operation (Examine the sample program run). Additional functions Use of functions is highly recommended for any additional special tasks needed by your solution. Global variables are not allowed except for max array menu size 50. You must pass the needed parameters through functions parameter lists.

0 Answers  

Differentiate between declaring a variable and defining a variable?

0 Answers  

What is #ifdef ? What is its application?

0 Answers   TCS,

What is the value of uninitialized variable in c?

0 Answers  

How do we make a global variable accessible across files? Explain the extern keyword?

0 Answers  

Can a pointer point to null?

0 Answers