initials.c

// Outputs the uppercase initials of a name
#include <stdio.h>
#include <cs50.h>
#include <string.h>
#include <ctype.h>
#define FIRSTLETTER 0

int main(void)
{
    // Get user input
    string name = GetString();
    
    // Print first letter of the name, then every letter preceded by a blank
    // character 
    int length_name = strlen(name)

    printf("%c", toupper(name[FIRSTLETTER]));
    for (int i = 0; i < length_name; i++)
        if (isblank(name[i]))
            printf("%c", toupper(name[i + 1]));
    printf("\n");
    
    return 0;
}