C Program to Convert Lowercase Character to Uppercase
In this program, you'll learn to convert lowercase to uppercase character and vise-versa.
Source Code
#include<stdio.h>
int main(int argc, char const *argv[])
{
int ch;
char c;
printf("1 :: lowercase to UPPERCASE\n");
printf("2 :: UPPERCASE to lowercase\n");
printf("Enter ur choice (1/2): ");
scanf("%d", &ch);
switch (ch)
{
case 1:
printf("Enter any character (a-z): ");
scanf(" %c", &c);
printf("Uppercase is: %c", c-32);
break;
case 2:
printf("Enter any character (A-Z): ");
scanf(" %c", &c);
printf("Uppercase is: %c", c+32);
break;
default:
printf("Wrong choice, try again..");
break;
}
return 0;
}Output
1 :: lowercase to UPPERCASE
2 :: UPPERCASE to lowercase
Enter ur choice (1/2): 1
Enter any character (a-z): a
Uppercase is: A
1 :: lowercase to UPPERCASE
2 :: UPPERCASE to lowercase
Enter ur choice (1/2): 2
Enter any character (A-Z): S
Uppercase is: s
1 :: lowercase to UPPERCASE
2 :: UPPERCASE to lowercase
Enter ur choice (1/2): 3
Wrong choice, try again..