cfunctest.c

*****汇编语言程序设计 源代码*****

/* cfunctest.c - An example of functions in C */
#include <stdio.h>

float circumf(int a)
{
        return 2 * a * 3.14159;
}

float area(int a)
{
        return a * a * 3.14159;
}

int main()
{
        int x = 10;
        printf("Radius: %d\n", x);
        printf("Circumference: %f\n", circumf(x));
        printf("Area: %f\n",area(x));
        return 0;
}