1 files changed, 2 insertions, 0 deletions
diff --git a/strings.h b/strings.h
index bfe6fd0..7e772d3 100644
--- a/strings.h
+++ b/strings.h
@@ -21,4 +21,6 @@ void uint32_to_decstringt(uint32_t number, char buf[11]);
 
 void uint32_to_hexstringt(uint32_t number, char buf[9]);
 
+size_t strlen(char string[]);
+
 #endif // STRINGS_H