1 files changed, 3 insertions, 0 deletions

diff --git a/coreutils/ln.c b/coreutils/ln.c
index e69cb024a..d6bf6443a 100644
--- a/coreutils/ln.c
+++ b/coreutils/ln.c
@@ -28,7 +28,10 @@
 
 #include <stdio.h>
 #include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
 #include <errno.h>
+#include <unistd.h>
 
 static const int LN_SYMLINK = 1;
 static const int LN_FORCE = 2;