/******************************************************************************
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,
C#, OCaml, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.
Code, Compile, Run and Debug online from anywhere in world.
*******************************************************************************/
#include <stdio.h>
void swap(int*, int*);
int main()
{
int a,b;
a = 10;
b = 20;
printf("before swap() : a = %d, b = %d\n",a,b);
swap(&a,&b);
printf("after swap() : a = %d, b = %d\n",a,b);
return 0;
}
void swap(int* a, int* b){
int temp;
temp = *a;
*a = *b;
*b = temp;
printf("in swap() : a = %d, b = %d\n",a,b);
}
