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-rw-r--r--lib/libstand/stand.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libstand/stand.h b/lib/libstand/stand.h
index 470d60b..f3e0121 100644
--- a/lib/libstand/stand.h
+++ b/lib/libstand/stand.h
@@ -244,9 +244,9 @@ extern void free_region(void *start, void *end);
struct disklabel;
extern char *getdisklabel(const char *, struct disklabel *);
-extern int printf(const char *fmt, ...);
+extern int printf(const char *fmt, ...) __printflike(1, 2);
extern void vprintf(const char *fmt, _BSD_VA_LIST_);
-extern int sprintf(char *buf, const char *cfmt, ...);
+extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
extern void vsprintf(char *buf, const char *cfmt, _BSD_VA_LIST_);
extern void twiddle(void);
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