```/*
* Name: Jane-Joe Student
* Date: Month Day, Year
* File: max_min.c
* Sources of Help: ...
*
* A program to determine and display the largest and smallest of two
* values entered by the user.
* Demonstrates several aspects of functions including:
*    - function prototypes
*    - function calls
*    - actual arguments
*    - formal parameters
*    - local variables
*    - return values
*/

/*
* Standard C Library Header Files.
*/

#include

/*
* Function prototypes for the functions we wrote for this program.
*/

int maximum( int num1, int num2 );  /* Returns the larger of two integers. */
int minimum( int num1, int num2 );  /* Returns the smaller of two integers. */

/*
* Name:       main
* Purpose:    Main driver for program to determine the largest and
*             smallest of two integers entered by the user.
* Parameters: None.
* Return:     0 for successful completion of program.
*/

int
main( void )
{
int input1, input2;
int maxInput, minInput;

/*
* Prompt and read in two integers from user.
*/

printf( "Enter two integers: " );
scanf( "%d%d", &input1, &input2 );

/*
* Calculate which of the two integers is larger and smaller.
*/

maxInput = maximum( input1, input2 );
minInput = minimum( input1, input2 );

/*
* Special case to check if they are actually equal.
*/

if ( maxInput == minInput )
{
printf( "%d is equal to %d\n", maxInput, minInput );
return 0;
}

/*
* Display which is larger and which is smaller.
*/

printf( "%d is larger than %d\n", maxInput, minInput );
printf( "%d is smaller than %d\n", minInput, maxInput );

return 0;
}

/*
* Name:       maximum
* Purpose:    Determines which of two integers is the largest.
* Parameters: int firstNumber -- the first integer to compare
*             int secondNumber -- the second integer to compare
* Return:     The largest of the two parameters.
*             If they are equal, return the second parameter.
*/

int
maximum( int firstNumber, int secondNumber )
{
int max;

/*
* Determine which is the larger parameter and return that value.
*/

if ( firstNumber > secondNumber )
max = firstNumber;
else
max = secondNumber;

return max;
}

/*
* Name:       minimum
* Purpose:    Determines which of two integers is the smallest.
* Parameters: int firstNumber -- the first integer to compare
*             int secondNumber -- the second integer to compare
* Return:     The smallest of the two parameters.
*             If they are equal, return the second parameter.
*/

int
minimum( int firstNumber, int secondNumber )
{
int min;

/*
* Determine which is the smaller parameter and return that value.
*/

if ( firstNumber < secondNumber )
min = firstNumber;
else
min = secondNumber;

return min;
}
```