関連ワード:  write a c program using functions    write a c program using function to generate the fibonacci series    write a c program using function to find the factorial of a number    write a c program using functions to count the frequency of each digit in a number    write a c program using recursive function for binary to decimal conversion    write a program in c using function to swap two numbers    write c program that uses recursive function to print fibonacci series    write c program in which function accept pointer variable    write a factorial program using function in c    write a program in c using recursive function