useproto.c

C

#include <stdio.h>

int i_cube(int);
float f_cube(float);

void main(void)
 {
   printf("The cube of 3 is %d\n", i_cube(3));
   printf("The cube of 3.7 is %f\n", f_cube(3.7));
 }

int i_cube(int value)
 {
   return(value * value * value);
 }

float f_cube(float value)
 {
   return(value * value * value);
 }