Thread: Test datatype

Hello again. Today I don't actually have a problem just a question. How do I test the datatype a user inputted for example: I ask to enter an int and they enter a char instead , is there anyway to prevent them from doing this or allow me to loop so I can stop program from crashing? as usual thanks for any and all help

ctype.h has some useful functions. You can also check the return values of functions such as scanf or atoi.

I'll look into it thanks