C Exercises: Show a pointer to union
C Pointer : Exercise-19 with Solution
Write a program in C to show a pointer to union.
Pictorial Presentation:

Sample Solution:
C Code:
#include <stdio.h>
union empAdd
{
char *ename;
char stname[20];
int pincode;
};
int main()
{
printf("\n\n Pointer : Show a pointer to union :\n");
printf("----------------------------------------\n");
union empAdd employee,*pt;
employee.ename="Jhon Mc\0Donald";//assign the string up to null character i.e. '\0'
pt=&employee;
printf(" %s %s\n\n",pt->ename,(*pt).ename);
return 0;
}
Sample Output:
Pointer : Show a pointer to union : ---------------------------------------- Jhon Mc Jhon Mc
Flowchart:

C Programming Code Editor:
Have another way to solve this solution? Contribute your code (and comments) through Disqus.
Previous: Write a program in C to show the usage of pointer to structure.
Next: Write a program in C to show a pointer to an array which contents are pointer to structure.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
C Programming: Tips of the Day
How to format strings using printf() to get equal length in the output?
You can specify a width on string fields, e.g.
printf("%-20s", "initialization...");
And then whatever's printed with that field will be blank-padded to the width you indicate.
The - left-justifies your text in that field.
Ref : https://bit.ly/34DMOc3
- Exercises: Weekly Top 12 Most Popular Topics
- Pandas DataFrame: Exercises, Practice, Solution
- Conversion Tools
- JavaScript: HTML Form Validation
- SQL Exercises, Practice, Solution - SUBQUERIES
- C Programming Exercises, Practice, Solution : For Loop
- Python Exercises, Practice, Solution
- Python Data Type: List - Exercises, Practice, Solution
- C++ Basic: Exercises, Practice, Solution
- SQL Exercises, Practice, Solution - exercises on Employee Database
- SQL Exercises, Practice, Solution - exercises on Movie Database
- SQL Exercises, Practice, Solution - exercises on Soccer Database
- C Programming Exercises, Practice, Solution : Recursion