Function to swap two numbers C program

C Programs / Function to swap two numbers C program

Program Name

Write a C Program for Function to swap two numbers C program.

Theory
swapping is a process of interchanging Numbers.

Program Code


#include <stdio.h>
void swap(int *n1, int *n2);

int main()
{
int num1 = 5, num2 = 10;
printf("Numbers Before Swap\n");
printf("num1 = %d and num2 = %d \n", num1,num2);

swap( &num1, &num2);
printf("Numbers After Swap\n");
printf("num1 = %d and num2 = %d \n", num1,num2);
return 0;
}

void swap(int* n1, int* n2)
{
int temp;
temp = *n1;
*n1 = *n2;
*n2 = temp;
}

Input

num1 = 5, num2 = 10

Output

Numbers Before Swap
num1 = 5 and num2 = 10 
Numbers After Swap
num1 = 10 and num2 = 5

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