Change case of character

Q. Write a C program to accept a character from user and convert it opposite case.

For example, if user enter character d then it is will convert in upper-case D.

Ans.

/*c program to convert character upper-case to lower case and vice verse*/

#include<stdio.h>
#include<conio.h>
int main()
{
 char ch;
 printf("Enter any character : ");
 scanf("%ch", &ch);
 if(ch>='A' && ch<='Z')
     ch=ch+32;
 else if(ch>'a' && ch<='z')
     ch=ch-32;
 printf("Convert case of character : %c",ch);
 getch();
 return 0;
}

/************************************************************

The output of above program would be:

************************************************************/

Figure: Screen shot for change case of entered character by user

You might also like:

1. How to identify what is entered by user
2. How to identify case of character
3. Read and print string
4. Reverse all string C program
5. Reverse all words but not string C program
6. Reverse only first character of string & add extra character C program
7. Display string vertical C program
8. Search the words in string C program
9. Search the match words in string C program
10. Toggle the string entered by user C program