Constant argument, C/C++ Programming

Assignment Help:

Define Constant argument:

The argument can be a constant argument The constant variable cannot be changed inside the function definition when the argument is declared as constant.

 

void f_const(int x, const int y);

void main( )

{int a10, b=20,c;

c =f_const(a, b); //The value of c is 30

}

int f_ref(int x, const int y)

{ //y=20; // Is invalid because y is declared as constant variable. return (x+y);

}

 

void f_const(int x, const int y=100);

void main( )

{int a=200, b,c;

c =f_const(a); //The value of c is 300

}

int f_const(int x, const int y)

{ //y=20; // Is invalid because y is declared as constant variable. return (x+y);

}


Related Discussions:- Constant argument

Program to find a greatest string: c - program , Program to find a Greatest...

Program to find a Greatest String: C - Program: Write a program find largest string by c program. int main( int argc, char *argv[] ) {     if( argc         {

Example of array, In this lab, please complete a given program to perform t...

In this lab, please complete a given program to perform the following tasks: 1. Allocate a 10 by 5 2D byte array dynamically. The way of allocation must be consistent with pag

Program to ask date & days added to produce -c++ program, THIS PROGRAM IS T...

THIS PROGRAM IS TO ASK A DATE & ALSO ASK FOR DAYS TO BE ADDED TO PRODUCE #include #include struct date  {   int dd;   int yy;   int mm;  }; void main()  {  clrscr();  in

What is threaded binary tree, Threaded binary tree: Consider the linked il...

Threaded binary tree: Consider the linked illustration of a binary tree 'T.  Approximately half of the entries is the pointer fields 'LEFT' and 'RIGHT' will have null elements. Th

Virtual memory implementation, I need help with virtual memory manager impl...

I need help with virtual memory manager implementation in C

C program for merge two strings , v\:* {behavior:url(#default#VML);} o\:* ...

v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0

Program to calculate tax - c++, Program to calculate tax: float tax (f...

Program to calculate tax: float tax (float) ; int main() {                 float purchase, tax_amt, total;                 cout                 cin >> purchase

Program to creates a linked list of characters , Note: Please refer to the...

Note: Please refer to the Subject Outline for details regarding the assessment of the advanced assignment. The Problem You are to investigate the use of data structures an

What is the difference among a pointer and a reference?, A: A reference has...

A: A reference has to always refer to some object and, so, must always be initialized; pointers do not have such limits. A pointer may be reassigned to point to distinct objects wh

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd