#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>

int compare_strings(const void *a, const void *b) {
    return strcmp(*(const char **)a, *(const char **)b);
}

int main(int argc, char *argv[]) {
    pid_t pid = fork();
    if (pid == 0) {
        qsort(&argv[1], argc - 1, sizeof(char *), compare_strings);
        printf("Child Sorted:\n");
        for (int i = 1; i < argc; ++i)
            printf("%s\n", argv[i]);
        exit(EXIT_SUCCESS);
    } else {
        wait(NULL);
        printf("\nParent Unsorted:\n");
        for (int i = 1; i < argc; ++i)
            printf("%s\n", argv[i]);
    }
    return 0;
}