putchar() vs printf() - Is there a difference?

Question

I am currently in chapter 1.5.1 File copying and made a program like so:

#include 

/* copy input to output; 1st version */
main()
{
    int c         


        

Answer 1

printf lets you format strings in a complicated way, substituting things like integers and floats and other strings.

getchar and putchar get and put characters

I can say that printf is more useful in more ways compared to putchar.

Better look in their respective manual pages ( man 3 printf man 3 putchar ) in terminal