1 files changed, 1 insertions, 0 deletions
diff --git a/preproc.h b/preproc.h
index c70548f..e2756cc 100644
--- a/preproc.h
+++ b/preproc.h
@@ -12,6 +12,7 @@
 void pp_include_path (char *);
 void pp_pre_include (char *);
 void pp_pre_define (char *);
+void pp_pre_undefine (char *);
 void pp_extra_stdmac (char **);
 
 extern Preproc nasmpp;