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-rw-r--r--builtins/printf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtins/printf.c b/builtins/printf.c
index ba0fc1b..e4e2bca 100644
--- a/builtins/printf.c
+++ b/builtins/printf.c
@@ -54,7 +54,7 @@
#endif
#if !defined (errno)
-extern int errno;
+#include <errno.h>
#endif
#define PC(c) \