slip25_1.c

 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 void sort_array(int arr[], int n) {
    int i, j, temp;
    for (i = 0; i < n - 1; i++) {
        for (j = 0; j < n - i - 1; j++) {
            if (arr[j] > arr[j + 1]) {
                temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
    }
 }
 int main() {
    int arr[] = {5, 2, 8, 3, 1, 6, 4};
    int n = sizeof(arr) / sizeof(arr[0]);
    pid_t pid = fork();
    if (pid < 0) {
        perror("fork");
        exit(1);
    }
    if (pid == 0) { // Child process
        execl("./slip25_1_child.c", "child", (char *)NULL);
        perror("execl");
        exit(1);
    } else { // Parent process
        sort_array(arr, n);
        char str[10];
        char *argv[] = {"child"};
        for (int i = 0; i < n; i++) {
            sprintf(str, "%d", arr[i]);
            argv[i + 1] = str;
        }
        argv[n + 1] = NULL;
        wait(NULL);
        printf("Parent process: Sorted array is ");
        for (int i = 0; i < n; i++) {
            printf("%d ", arr[i]);
        }
        printf("\n");
    }
    return 0;
 }