more correct C code

1 files changed, 2 insertions, 2 deletions

diff --git a/act.y b/act.y
index 2db2bf7..e7d7dc6 100644
--- a/act.y
+++ b/act.y
@@ -6,7 +6,7 @@
 start: 'x' foo 'y';
 foo: { puts("act!"); };
 %%
-int yyerror() { puts("oops, yacc error!"); }
+int yyerror() { puts("oops, yacc error!"); return 0; }
 int yylex() { int c = getchar(); printf("lex %d\n", c); return c==EOF?0:c; }
 
-int main() { yyparse(); }
+int main() { return yyparse(); }