1 files changed, 1 insertions, 0 deletions
diff --git a/tcc.h b/tcc.h
index a0b4894..52baf58 100644
--- a/tcc.h
+++ b/tcc.h
@@ -326,6 +326,7 @@
 typedef struct TokenSym {
     struct TokenSym *hash_next;
     struct Sym *sym_define; /* direct pointer to define */
+    struct Sym *sym_define_stack; /* direct pointer to a push_macro stack */
     struct Sym *sym_label; /* direct pointer to label */
     struct Sym *sym_struct; /* direct pointer to structure */
     struct Sym *sym_identifier; /* direct pointer to identifier */