I wanna asking about c program that related checking input weather its alpha or digit.. for exampla switch case i declared int.. when i input a alpha, it will give an error message.. how i can do or what code i can use to do such things?
I wanna asking about c program that related checking input weather its alpha or digit.. for exampla switch case i declared int.. when i input a alpha, it will give an error message.. how i can do or what code i can use to do such things?
