1 files changed, 2 insertions, 0 deletions

diff --git a/strbuf.h b/strbuf.h
index 35ff9543..fcbb7e74 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -100,4 +100,6 @@ strbuf* RESOLVE(strbuf)(strbuf*, strbuf*);
 
 FMT_F(strbuf);
 
+int SIZE(strbuf)(strbuf*);
+
 #endif /* STRBUF_H */