Using
Function: Finding the maximum of three integers.
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/* Fig. 5.4:
fig05_04.c
Finding the maximum of three integers */
#include <stdio.h>
int maximum(
int x, int y, int z ); /* function prototype */
/* function main begins program execution */
int main( void )
{
int number1; /* first integer */
int number2; /* second integer */
int number3; /* third integer */
printf( "Enter three integers: "
);
scanf( "%d%d%d", &number1,
&number2, &number3 );
/* number1, number2 and number3 are
arguments
to the maximum function call */
printf( "Maximum is:
%d\n", );
return 0; /* indicates successful
termination */
} /* end main */
/* Function
maximum definition */
/* x, y and z
are parameters */
int maximum(
int x, int y, int z )
{
int max = x; /* assume x is largest */
if ( y > max ) { /* if y is larger than
max, assign y to max */
max = y;
} /* end if */
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if ( z > max
) { /* if z is larger than max, assign z to max */
max = z;
} /* end if
*/
return max; /* max is largest value */
} /* end function maximum */
Output:
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