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Call by reference:
Arguments to a function can be passed in two way; one by call by value and other by call
by reference. Call by value is passed either through a constant or variable. The call by reference is passed through address operator (&). In C the function definition argument must be declared as pointer variable to pass by reference, where as in C++ the call by reference can be used without declaring the function arguments as pointer variables. But in C++ both pointer argument method and without pointer argument can be adopted.
void f_ref(int &a, int &b); // void f_ref(int, int) is wrong for reference variable;
void main( )
{int a, b;
f_ref(a, b); // The value a is 10 and b is 20.
}
void f_ref(int &x, int &y)
{x =10;
y=20;
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Modify the FACTOR program in this chapter so that it repeatedly asks for a number and calculates its factorial, until the user enters 0, at which point it terminates. You can enclo
C Program for ADD,SUB,MUL,DIV,REM void main() { int a,b,c,ch=0; clrscr(); while(ch { printf(" \n\n 1:- For To Add\n 2:- For
write a c++ program to find the prime numbers
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C program to reverse the elements of array: #define rows 3 #define cols 3 void main() { int i=0,j=0; int arr[rows][cols];
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I want Packet capture analysis Project Description: Need assistance in debugging some packet capture Skills required is C Programming
how to make a diamond from steric
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