3 files changed, 6 insertions, 0 deletions

diff --git a/findutils/find.c b/findutils/find.c
index 32d7db7ab..59a5b838d 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -26,6 +26,8 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
 
 
 static char *pattern = NULL;
diff --git a/findutils/grep.c b/findutils/grep.c
index 0ed9594b0..e9ff91b3e 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -28,6 +28,8 @@
 #include <errno.h>
 #include "busybox.h"
 
+extern void xregcomp(regex_t *preg, const char *regex, int cflags);
+
 extern int optind; /* in unistd.h */
 extern int errno;  /* for use with strerror() */
 
diff --git a/findutils/which.c b/findutils/which.c
index a92777eb7..b900a0b14 100644
--- a/findutils/which.c
+++ b/findutils/which.c
@@ -22,7 +22,9 @@
  */
 
 #include "busybox.h"
+#include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 extern int which_main(int argc, char **argv)
 {