Character arithmetic in C

Character arithmetic is used to implement arithmetic operations like addition and subtraction on characters in C language. It is used to manipulate the strings. When the characters are used with the arithmetic operations, it converts them into integer value automatically i.e. ASCII value of characters.

Here is an example of character arithmetic in C language,

Example

Live Demo

#include <stdio.h>

int main(){
   char s = 'm';
   char t = 'z' - 'y';

   printf("%d\n", s);
   printf("%c\n", s);
   printf("%d\n", (s+1));
   printf("%c\n", (s+1));
   printf("%d\n", (s-1));
   printf("%c\n", (s-1));
   printf("%d\n", t);
   // printf("%c", t);

   return 0;
}