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-rw-r--r--include/err.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/err.h b/include/err.h
new file mode 100644
index 0000000..c537811
--- /dev/null
+++ b/include/err.h
@@ -0,0 +1,3 @@
+#include_next <err.h>
+void warnc(int, const char *, ...) __attribute__((__format__ (printf, 2, 3)));
+void vwarnc(int, const char *, va_list) __attribute__((__format__ (printf, 2, 0)));