C_简单的子函数调用
源码:
# include <stdio.h>
/* 子函数声明 */
int square(int x); // 实现求平方值的子函数
int cube(int y); // 实现求立方值的子函数
int main()
{
int m = 12;
int n = 4;
printf("%d %d\n", square(m), m);
printf("%d %d\n", cube(n), n);
return 0;
}
int square(int x)
{
x = x*x;
return x;
}
int cube(int y)
{
y = y*y*y;
return y;
}
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源码:
# include <stdio.h>
int main()
{
int i, j, k;
int m, n, p;
i = 8;
j = 10;
k = 12;
/* 自增在操作数之前 */
  ......
源码:
# include <stdio.h>
int main()
{
/* 定义了一个无符号字符型变量,此变量只能用来存储无符号数 */
unsigned char result;
int a, b, c, d;
a = 2;
b = 4; ......
源码:
# include <stdlib.h>
# include <stdio.h>
int main()
{
int month;
int day;
printf("please input the month number: ");
scanf("%d", &mo ......
源码:
# include <stdio.h>
/* 宏定义 */
# define MAX 100
# define LEN 80
/* 一个非常简单的文本编辑器 */
int main()
{
char text[MAX][LEN]; // 定义字符型数组
register int t, i, j; /* 定义三个寄存器变量 */
  ......
源码:
# include <stdio.h>
int main()
{
/* 有尺寸 */
/* 一维整形数组初始化 */
int array1[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
/* 一维字符型数组初始化,最后一个元素自动添加为‘/0 ......