Here, we will read a lowercase character from the user and convert it into uppercase and print the result.
The source code to covert a lowercase character into uppercase without using the library function is given below. The given program is compiled and executed using GCC compile on UBUNTU 18.04 OS successfully.
// C program to convert a lowercase character
// into uppercase without using
// library function
char toUpperCase(char ch)
ch = ch - 32;
printf("Enter a lowercase character: ");
printf("Uppercase character is: %c\n", toUpperCase(ch));
Enter a lowercase character: q
Uppercase character is: Q
Here, we created two functions toUpperCase() and main(). The toUpperCase() function is used to covert the lowercase character to the uppercase character.
In the main() function, we read a lowercase character from the user and converted the entered character into uppercase using the toUpperCase() function.
total answers (1)
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