s1 = "geeks", s2 = "geeksforgeeks

String 2 is lexicographically greater than string 1.

// C program to demonstrate arranging
// strings lexicographically
#include <stdio.h>
  
void compareStrings(char* s1, char* s2)
{
    int i;
    // comparing each character
    for (i = 0; s1[i] != '\0' || s2[i] != '\0'; i++) {
        if (s1[i] > s2[i]) {
            printf("String 1 is lexicographically greater "
                   "than string 2");
            return;
        }
        else if (s2[i] > s1[i]) {
            printf("String 2 is lexicographically greater "
                   "than string 1");
            return;
        }
    }
    // comparing length of two strings
    if (s1[i] != '\0') {
        printf("String 1 is lexicographically greater than "
               "string 2");
    }
    else if (s2[i] != '\0') {
        printf("String 2 is lexicographically greater than "
               "string 1");
    }
    else {
        printf("Both strings are lexicographically equal");
    }
}
int main()
{
  
    // declaring two strings
    char s1[20] = "help";
    char s2[20] = "held";
  
    // function call
    compareStrings(s1, s2);
    return 0;
}

String 1 is lexicographically greater than string 2.