Explain the concept of a Union in C. What is the value of the C program below?

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
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Explain the concept of a Union in C. What is the value of the variable unionSize in
the C program below?
union aUnion {
int i;
float f;
char str[20];
};
int main( ) {
union aUnion myUnion;
int unionSize = sizeof(myUnion);
return 0;
}
Transcribed Image Text:Explain the concept of a Union in C. What is the value of the variable unionSize in the C program below? union aUnion { int i; float f; char str[20]; }; int main( ) { union aUnion myUnion; int unionSize = sizeof(myUnion); return 0; }
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