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-rw-r--r--src/include/etherboot.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/etherboot.h b/src/include/etherboot.h
index e5a181536..b26379c26 100644
--- a/src/include/etherboot.h
+++ b/src/include/etherboot.h
@@ -9,6 +9,7 @@
#include "compiler.h"
#include "stddef.h"
#include "stdint.h"
+#include <unistd.h>
/*
@@ -220,7 +221,6 @@ extern int load_block P((unsigned char *, unsigned int, unsigned int, int ));
/* misc.c */
extern void twiddle P((void));
-extern void sleep P((int secs));
extern void interruptible_sleep P((int secs));
extern int strcasecmp P((const char *a, const char *b));
extern char *substr P((const char *a, const char *b));