new file mode 100644
--- /dev/null
+++ b/filetraverser/unix.c
@@ -0,0 +1,24 @@
+/**
+ * unix.c
+ * Copyright (C) 2010 Markus Broeker
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <assert.h>
+#include <jni.h>
+
+int isUnixLink (const char *name)
+{
+    struct stat st;
+
+    assert (lstat (name, &st) == 0);
+    return (S_ISLNK (st.st_mode));
+}
+
+JNIEXPORT jint JNICALL Java_Unix_isUnixLink (JNIEnv * env, jclass jc, jstring s)
+{
+    const char *c_string = (*env)->GetStringUTFChars (env, s, NULL);
+    return isUnixLink (c_string);
+}