1 files changed, 6 insertions, 0 deletions
diff --git a/src/auxiliary/functions.h b/src/auxiliary/functions.h
index cd9ed13..2202b87 100644
--- a/src/auxiliary/functions.h
+++ b/src/auxiliary/functions.h
@@ -36,6 +36,12 @@ size_t text_length(const std::string &text);
 
 /// prepend spaces to a string up to the desired lenght, excluding color codes
 const std::string spaces(const std::string &text, size_t n);
+
+/// convert a string to lowercase
+void to_lowercase(std::string &text);
+
+/// return text, converted to lowercase
+const std::string lowercase(const std::string &text);
 }
 
 #endif // __INCLUDED_AUX_FUNCTIONS_H__