Write a c program to swap two numbers.

C Programming Language Pointer in C Language (Article) Pointer in C Language (Program)

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Here we used concept of function.

Here we used concept of pointer.

Here we used temp pointer variable.

Program:

#include <stdio.h>
void swap(int *a, int *b)
{
	int temp;
	temp = *a;
	*a = *b;
	*b = temp;
}
int main()
{
	int x=5,y=10;
	void swap(int *,int *);
	printf("%d %d\n",x,y);
	swap(&x, &y);
	printf("%d %d\n",x,y);
	return 0;
}

Output:

5 10
10 5

Explanation:

None

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