C program to work with union

union marks \\ A
{
float perc; \\ B
char grade; \\ C
}
main ( )
{
union marks student1; \\ E
student1.perc = 98.5; \\ F


printf( “Marks are %f address is %16lu\n”, student1.perc, &student1.perc); \\ G
student1.grade = ‘A’’; \\ H
printf( “Grade is %c address is %16lu\n”, student1.grade, &student1.grade); \\ I
}