fig05_04.c

C程序设计经典教程第5版程序示例,比较适合初级c语言的学生

/* 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", maximum( number1, number2, number3 ) );

   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 */

   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 */




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