menukar

#include TUKAR stdio.h BONGKAR


void menukar(double *x, double *y)
{
double z;

z = *x;
*x = *y;
*y = z;
}

int main()
{
double a, b;

a = 56.7;
b = 12.3;

menukar(&a, &b);

printf("a= %lf, b = %lf\n", a, b);

return 0;
}