Accept a character and print previous and next character

       
/*
Accept character of a keyboard and print is previous and next
character.
*/

#include<stdio.h>
main()

{
    char ch,ch1,ch2;

    printf("Enter a character- ");
    scanf("%c",&ch);

    ch1= ch-1;
    ch2= ch+1;

    printf("\nThe previous character is %c.\n",ch1);
    printf("The nextcharacter is %c.\n",ch2);

}