Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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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
Check Mark
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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