test_union.c

#include <stdio.h>
 
typedef union nodeData {
	int data_i;
	char* data_cp;
	char data_c;
	float data_f;
	double data_d;
} nodeData;
 
typedef struct carrier {
	union nodeData data;
} carrier;
 
int main() {
 
	carrier myObj;
	nodeData data = {69};
	myObj.data = data;
 
	printf("%d\n", myObj.data);
 
	return 0;
}
```	return 0;
}