Solved exercise 2 - create a simple tree program clone

exercises/tree/tree.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include "tree.h"
+
+int print_tree(const char *path, int depth) {
+    DIR *dir = opendir(path);
+    if (!dir) return -1;
+
+    struct dirent *entry;
+    while ((entry = readdir(dir)) != NULL) {
+        // Skip . and ..
+        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
+            continue;
+
+        for (int i = 0; i < depth; i++) printf("  ");
+        printf("|-- %s\n", entry->d_name);
+
+        // Construct full path
+        char full_path[4096];
+        snprintf(full_path, sizeof(full_path), "%s/%s", path, entry->d_name);
+
+        struct stat st;
+        if (stat(full_path, &st) == 0 && S_ISDIR(st.st_mode)) {
+            print_tree(full_path, depth + 1);
+        }
+    }
+
+    closedir(dir);
+    return 0;
+}
+