- # include <stdio.h>
- void main()
- {
- /* 说明本文件将要使用其它文件中的函数 */
- extern int multiply();
- extern int sum();
- int a, b;
- int result;
- printf("Please input a and b: ");
- scanf("%d, %d", &a, &b);
- result = multiply(a, b);
- printf("The result of multiply is: %d", result);
- result = sum(a, b);
- printf("nThe result of sum is: %dn", result);
- }