/* xfer.c
** 	- author: Jeff Tian
**	- date:	Feb. 25, 1999
**	balance transfer **	functions using pointers.
*/	

#include <stdio.h>

void transfer(float amt, float *from_acct, float *to_acct);

main()
{
   float ck_blc=200, sv_blc=800, sv_irate=0.002, xfer_amt=123.45;
	
   printf("Checking balance before transfer: %.2f\n", ck_blc);
   printf("Savings balance before transfer: %.2f\n", sv_blc);
   printf("Transferring %.2f from savings to checking... \n", xfer_amt);
   transfer(xfer_amt, &sv_blc, &ck_blc);
   printf("Checking balance after transfer: %.2f\n", ck_blc);
   printf("Savings balance after transfer: %.2f\n", sv_blc);
}


/* transfer()
**	Balance transfer implemented using pointers
*/

void
transfer(float amt, float *from_acct, float *to_acct)
{
   *from_acct = *from_acct - amt;
   *to_acct = *to_acct + amt;
}