1 files changed, 3 insertions, 0 deletions

diff --git a/tar.c b/tar.c
index 51a857d71..2c7169bcc 100644
--- a/tar.c
+++ b/tar.c
@@ -52,6 +52,9 @@
 #include <sys/sysmacros.h>
 #include <getopt.h>
 #include <fnmatch.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
 
 #ifdef BB_FEATURE_TAR_GZIP
 extern int unzip(int in, int out);