First Capital Letter in a String c pgm

Find the First Capital Letter in a String without using Recursion

#include 

#include 

#include 

#include 

char caps_check(char *);

int main()

{

    char string[20], letter;

    clrscr();

    printf("Enter a string to find it's first capital letter: ");

    scanf("%s", string);

    letter = caps_check(string);

    if (letter == 0)

    {

        printf("No capital letter is present in %s.\n", string);

    }

    else

    {

        printf("The first capital letter in %s is %c.\n", string, letter);    }

        return 0;

    }

    char caps_check(char *string)

    {

        int i = 0;

        while (string[i] != '\0')

        {

            if (isupper(string[i]))

            {

                return string[i];

            }

            i++;

        }

        return 0;

    }

Output

Enter a string to find it's first capital letter: prOgraMmInG

The first capital letter in prOgraMmInG is O.