How to create a menu in C program using do/while loops?

Question

A menu for Decimal to Binary and Octal form and loops!

Answer 1

do{
printf("Menu: ");
printdf("\n1. Decimal to binary");
printf("\n2. Decimal to octal");

printf("\nEnter your choice (1 or 2): ");
scanf("%d",&ch);

/* Code here*/

printf ("\nWant to continue (y/n): ");
scanf ("%c",&ch1);

}while(ch1=='y' || ch1=='Y');