/* solution-1.c */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

void goodSwap( int *a, int *b );  /* GOODSWAP */

/*........................M A I N    F U N C T I O N........................ */

int main()
{
	int x=5,y=10;

	printf("Before goodSwap x: %d, y: %d\n", x,y );
	goodSwap(&x, &y);
	printf("After goodSwap  x:%d, y: %d\n", x,y );

	return 0;
}


/* GOODSWAP */
void goodSwap( int *a, int *b )
{
	int temp = *a;  /*  *a is x */
	*a = *b;        /*  *b is y */
	*b = temp;
}