he following program with struct student, which has name and age. There is a pointer to struct student *ptr, but does not assign a value to it. Then, there is a print statement for ptr->age. 1. Why does an error occur when the program is run?
he following program with struct student, which has name and age. There is a pointer to struct student *ptr, but does not assign a value to it. Then, there is a print statement for ptr->age. 1. Why does an error occur when the program is run?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
In the following program with struct student, which has name and age.
There is a pointer to struct student *ptr, but does not assign a value to it.
Then, there is a print statement for ptr->age.
1. Why does an error occur when the program is run?
#include <stdio.h>
//make struct student
struct student
{
charname[25];
int age;
};
int main()
{
//declare pointer to struct student
struct student *ptr;
//print ptr -> age
printf("%d", ptr->age);
return0;
}
Expert Solution
Step 1 Explanation
Dear Student,
There are two errors in your program, there must be space between char and name[25] in charname[25] and also between return and 0 in return0.
The corrected code is given below -
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