diff --git a/src/proto/eval.pro b/src/proto/eval.pro
index 9505ed0..1f8f21f 100644
--- a/src/proto/eval.pro
+++ b/src/proto/eval.pro
@@ -22,7 +22,8 @@
 int eval_to_number __ARGS((char_u *expr));
 list_T *eval_spell_expr __ARGS((char_u *badword, char_u *expr));
 int get_spellword __ARGS((list_T *list, char_u **pp));
-char_u *call_vim_function __ARGS((char_u *func, int argc, char_u **argv, int safe));
+void *call_func_retstr __ARGS((char_u *func, int argc, char_u **argv, int safe));
+void *call_func_retlist __ARGS((char_u *func, int argc, char_u **argv, int safe));
 void *save_funccal __ARGS((void));
 void restore_funccal __ARGS((void *vfc));
 void prof_child_enter __ARGS((proftime_T *tm));