1. Compiled and ready to run Memory Stack /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
Compiled and
ready to run

2. → Memory Stack /* * Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack

3. → Memory Stack /* * Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack →

4. → Memory Stack 1.609 /* * Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack →
KMS_PER_MILE
1.609

5. → Memory Stack 1.609 /* * Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609 →

6. → Memory Stack 1.609 junk junk miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles →
junk
kms
junk

7. → Memory Stack 1.609 junk junk miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
junk →
kms
junk

8. → Memory Stack 1.609 junk junk miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
junk →
kms
junk

9. → Memory Stack 1.609 125.0 junk miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
125.0 →
kms
junk

10. → Memory Stack 1.609 125.0 junk miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
125.0
kms
junk →

11. → Memory Stack 1.609 125.0 201.125 miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
125.0
kms →

12. → Memory Stack 1.609 125.0 201.125 miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
125.0
kms →

13. → Memory Stack 1.609 125.0 201.125 miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
125.0
kms →

14. → Memory Stack 1.609 125.0 201.125 miles kms /*
* Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack
KMS_PER_MILE
1.609
miles
125.0
kms →

15. → Memory Stack /* * Converts distance in miles to kilometers. */
#include <stdio.h> /* printf, scanf definitions */
#define KMS_PER_MILE /* conversion constant*/
int
main(void) {
double miles, /* input - distance in miles. */
kms; /* output - distance in kilometers */
/* Get the distance in miles. */
printf("Enter the distance in miles> ");
scanf("%lf", &miles);
/* Convert the distance to kilometers. */
kms = KMS_PER_MILE * miles;
/* Display the distance in kilometers. */
printf("That equals %f kilometers.\n", kms);
return (0); }
Memory Stack →