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-rw-r--r--usr.bin/cmp/regular.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/cmp/regular.c b/usr.bin/cmp/regular.c
index 555725a999bc..814d9333b938 100644
--- a/usr.bin/cmp/regular.c
+++ b/usr.bin/cmp/regular.c
@@ -45,10 +45,12 @@ __FBSDID("$FreeBSD$");
#include <sys/stat.h>
#include <err.h>
+#include <errno.h>
#include <limits.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
+#include <string.h>
#include <unistd.h>
#include "extern.h"