What is the output of this C program (assume a pointer is 8 bytes)? #include <stdio.h> #include <string.h> int main() {  char *str = "Hello";  printf("%ld, %ld\n", strlen(str), sizeof(str));  return 0; }单项选择题

A

5, 8

B

6, 8

C

10, 20

D

8, 5

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

What is the output (to stdout) of this C code, assuming all these lines will execute on the CPU uninterrupted? (assume p has address 1314)

What does this C code print (assume a pointer is 8 bytes)? int main() {     char arr[] = {1, 2, 3};     char *p = arr;     printf(" %d ", sizeof(p));     printf(" %d ", sizeof(arr)); } 

What is the output of this C program?   #include<stdio.h>   #include<stdlib.h>   int main()   {       int *ptr;       ptr = (int *)calloc(1,sizeof(int));       printf("%d\n",*ptr);       return 0;   }

What are the problems with this C program? Select two.   #include<stdio.h>   #include<stdlib.h>   int main()   {       int *ptr;       *ptr = 0;       printf("%d\n",*ptr);       *ptr = 1;       printf("%d\n",*ptr);       return 1;   }

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！