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-rw-r--r--util.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/util.h b/util.h
index 5831b95..1124982 100644
--- a/util.h
+++ b/util.h
@@ -1,8 +1,8 @@
#pragma once
-char* copy_buf(char *buf,int len);
-char* copy_str(char *str);
+char* copy_buf(const char *buf,int len);
+char* copy_str(const char *str);
void str_toupper(char *str);