Find the Initials of a Name

1#include <stdio.h>
2#include <ctype.h>
3#include <string.h>
4
5void getInitials(char name[], char initials[]) {
6    int j = 0;
7    
8    // First letter is always an initial
9    if (name[0] != ' ') {
10        initials[j++] = toupper(name[0]);
11    }
12    
13    // Find first letter after each space
14    for (int i = 1; name[i]; i++) {
15        if (name[i - 1] == ' ' && name[i] != ' ') {
16            initials[j++] = toupper(name[i]);
17            initials[j++] = '.';
18        }
19    }
20    
21    // Add dot after first initial if more than one
22    if (j > 1) {
23        // Shift and add dot after first
24        for (int i = j; i > 1; i--) {
25            initials[i] = initials[i - 1];
26        }
27        initials[1] = '.';
28        j++;
29    }
30    initials[j] = '\0';
31}
32
33int main() {
34    char name[] = "John Michael Smith";
35    char initials[20];
36    
37    getInitials(name, initials);
38    
39    printf("Name: %s\n", name);
40    printf("Initials: %s\n", initials);
41    
42    return 0;
43}