Initials

#include <cs50.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

/** Jesse T. White
 * Initials (less comfortable)
 * Objective: Implement a program that, given a person’s name, prints a person’s initials.
 */

int main(void)
{
    // Prompt the user for their name
    string s = get_string("Enter your name: ");

     // Ensure get_string returned a string
    if (s != NULL)
    {
        // Print the first initial
        printf("%c", toupper(s[0]));
    }

    // Initialise i = 0 and iterate over the string
    for (int i = 0, n = strlen(s); i < n; i++)
    {
        // Identify the first letter of the last name
        if (s[i] == ' ' && (s[i + 1] != '\0' && s[i + 1] != ' '))
        {
            printf("%c", toupper(s[i + 1]));
        }
    }
    printf("\n");

}