add output argument to stat printing

1 files changed, 2 insertions, 2 deletions

diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h
index 3042e6f..d5ce9f5 100644
--- a/include/mimalloc-internal.h
+++ b/include/mimalloc-internal.h
@@ -33,8 +33,8 @@ terms of the MIT license. A copy of the license can be found in the file
 
 
 // "options.c"
-void       _mi_fputs(mi_output_fun* out, const char* prefix, const char* message);
-void       _mi_fprintf(mi_output_fun* out, const char* fmt, ...);
+void       _mi_fputs(mi_output_fun* out, void* arg, const char* prefix, const char* message);
+void       _mi_fprintf(mi_output_fun* out, void* arg, const char* fmt, ...);
 void       _mi_error_message(const char* fmt, ...);
 void       _mi_warning_message(const char* fmt, ...);
 void       _mi_verbose_message(const char* fmt, ...);