C-(函数链式访问)

#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>

#include<string.h>
int main()
{
    //printf函数返回的是打印在屏幕上字符的个数
    printf("%d", printf("%d", printf("%d", 43))); //结果4321
}

 

#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>

#include<string.h>
int main()
{
    char arr1[20] = { 0 };
    char arr2[] = "bit";

    //strcpy(arr1, arr2);

    printf("%s\n", strcpy(arr1, arr2));
    return 0;
}