(American standard code for information interchange)
Here we will see the ASCII value of lower case, upper case, and digits.
#include<stdio.h>
#include<conio.h>
main(){
char ch;
clrscr();
printf("Enter character in upper case : ");
scanf("%c",&ch);
ch=ch+32;
printf("Charecter in lower case : %c",ch);
getch();
}