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-rw-r--r--usr.bin/compress/zopen.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/compress/zopen.c b/usr.bin/compress/zopen.c
index 92e0a97..f0ec887 100644
--- a/usr.bin/compress/zopen.c
+++ b/usr.bin/compress/zopen.c
@@ -67,11 +67,13 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/stat.h>
+#include <ctype.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include "zopen.h"
#define BITS 16 /* Default bits. */
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